question in the photo

Question In The Photo

Answers

Answer 1
I think (50 joules ) I’m not sure

Related Questions

Why do you think it is colder during the winter than the summer?

Answers

Answer:

As the earth travels around the sun during the year it maintains this tilt. Because of this tilt, in the summer we (north of the equator) are slanted more directly towards the sun so it's hotter. In the winter, we're slanted away so the sun's rays are less direct, making it colder.

I need help on these 3 questions plz 20 points

Answers

Answer: the first one is speed

the second one is acceleration

the last is velocity

Explanation:

i got you

hello, why do all electromagnetic waves travel at the same speed in vacuum?

Answers

Answer:

due to the magnetic field

Explanation:

magnetic field is the same in the vacuum

Which of the following is NOT one of the essential components of an exercise program?

Answers

Answer:

i dont know dude but ask someone who is in your grade lol

Explanation:

The diagrams show objects' gravitational pull toward each other. Which statement describes the relationship between diagram X and Y? х Gravity attracts only larger objects toward one another. Gravity attracts larger objects only if they are close to one another. If the masses of the objects increase, then the force between them also increases. If distance between the objects increases, then the amount of force also increases. Y Z​

Answers

Answer:

you are right Gravity attracts larger objects only if they are close to one another. If the masses of the objects increase, then the force between them also increases. If distance between the objects increases, then the amount of force also increases. Y Z​ this is the answer .

Explanation:

Answer:

If distance between the objects increases, then the amount of force also increases.

Explanation:

How might the temperatures on Mercury be different if it had the same mass as Earth?

Answers

Answer:

well, mercury is the closest planet to the sun, making it MUCH hotter than earth. that being said, just because mercury is closest to the sun, it doesnt mean its the hottest planet.

Since Mercury is the planet that is nearest to the sun, it is much hotter than the earth. However, because Mercury is nearest to the sun doesn't automatically make it the hottest planet.

What is a Planet?

A huge, spherical celestial object, it is neither a star it nor remnant is called a planet. The nebular concept, which holds how an interplanetary cloud collapse out of a nebula to produce a young white dwarf orbited by a planetary system, is the best theory currently available for explaining planet formation.

The slow buildup of matter propelled by gravity—a practice called as accumulation, to the formation of planets in this disk. The rocky planets Mercury, Venus, Earth, and Mars, as well as the giant planets Jupiter, Saturn, Uranus, and Neptune, make up the Solar System's minimum number of eight planets. Each of these planets revolves around an axis that really is inclined with regard to its orbit pole.

To know more about Planet:

https://brainly.com/question/14581221

#SPJ2

HELPPP MEE!!

A mover slides a refrigerator weighing 650 N at a constant velocity across the floor a distance of 8.1 m. The force of friction between the refrigerator and the floor is 230
N. Calculate the coefficient of friction between the floor & refrigerator.

Answers

Answer: The coefficient of friction is 0.35

Explanation:

We can write the friction force as:

F = N*μ

Where N is the normal force between the refrigerator and the ground, as the full weight of the refrigerator is acting on the ground, the normal force will be exactly equal to the weight of the refrigerator, then:

N = 650N

And μ is the coefficient of friction.

And for this case, the force is 230N, then we have:

F = N*μ

230N = 650N*μ

(230N/650N) = μ = 0.35

Notice that the distance did not matter for this calculation.

The circumference of the Earth is
approximately 40,075 kilometers.
How many significant figures are
there in the numerical value?

Answers

Answer:

5 sig figures

Explanation:

Most of our Solar system is composed of___



asteroids


moons


planets


empty space

Answers

Answer:

empty space

Explanation:

Our solar system comprises of the sun as the star, the planets, the dwarf planets, various moons, and plenty of asteroids, comets, and meteoroids. However, the majority part of the solar system consists of a void or empty space. These empty spaces basically composed of planetary dust and gas.

Hence, it can be concluded that Most of our Solar system is composed of "Empty Spaces."

hewoooooo pweese help ill do anything
A bus slows from 40 m/s to a stop in 8 seconds. How far does it travel while braking?

Answers

Answer:

320 m/s

Explanation:

40 miles per second and 8 seconds makes 40 times 8

a basketball rolling across a flat floor has___ energy. PLZ HELP

Answers

Kinetic energy is the answer

Answer:

kinetic energy

Explanation:

I know the answer because Im built differen

pls help me w this, I've been doing this since 5 minutes ago​

Answers

Answer:

t=0.0625s

Explanation:

F=number of swings/time taken

DATA

Frequency=4.0Hz

number of swings from Q to R

=1/4

time taken=?

Frequency=number of swings/time taken

make t the subject of the formula

t=n/f

substitute the given date

t=0.25/4.0

t=0.0625s

option A is collect

4. Bob creates his personal profile collage by drawing his favorite things. This is his ___________.

A. artistic self
B. social self
C. professional self
D. private self

Answers

Artistic self because it says by drawing his favorite things hope this helps
A. Kdkdjdhshshdhdhdhd

Consider a 12.5 kg baby tiger in a tree has 490 J of gravitational potential energy. Determine the height of the tiger above the ground?

Answers

Answer:

[tex]\boxed {\boxed {\sf 4 \ meters}}[/tex]

Explanation:

Gravitational potential energy can be found using the following formula:

[tex]E_P=m*g*h[/tex]

where m is the mass, g is the gravitational acceleration, and h is the height.

The mass of the tiger is 12.5 kilograms. The gravitational acceleration on Earth is 9.8 m/s².

The potential energy is 490 Joules. Convert the units to simplify cancelling units later. 1 Joule is equal to 1 kilogram * meter² /second²Our answer of 490 J = 490 kg*m²/s²

[tex]m= 12.5 \ kg \\g= 9.8 \ m/s^2\\E_p= 490 \ kg*m^2/s^2[/tex]

Substitute the values into the formula.

[tex]490 \ kg*m^2/s^2 = 12.5 \ kg * 9.8 \ m/s^2 *h[/tex]

Multiply 12.5 kg and 9.8 m/s²

12.5 kg* 9.8 m/s² = 122.5 kg*m/s²

[tex]490 \ kg*m^2/s^2 = 122.5 \ kg *m/s^2 *h[/tex]

Since we are trying to solve for h, we must isolate it. Since h is being multiplied by 122.5, we must divide both sides by that number because the inverse of division is the inverse of multiplication.

[tex]\frac{490 \ kg*m^2/s^2} { 122.5 \ kg *m/s^2}= \frac{ 122.5 \ kg *m/s^2 *h }{ 122.5 \ kg *m/s^2}[/tex]

Note that when dividing, the kg*m/s² will cancel each other out, but a m (meter) will be left.

[tex]\frac{490 \ m }{122.5} =h[/tex]

[tex]4 \ m =h[/tex]

The tiger was 4 meters above the ground.

(HELP PLEASE)What are some reasons people produce synthetic materials?

Answers

Answer:

Explanation:

Synthetic fabrics, such as nylon and polyester, are produced entirely from chemicals. Natural fabrics, such as cotton, silk, and wool are made of fibres from plants and animals. Synthetic fabrics are useful because they have very different or enhanced (improved) properties in comparison to natural materials.

the center of mass of a donut is located ?
a. in the hole
b. in material making up the donut
c. near the center of gravity
d. over a point of support ​

Answers

Answer:

A

Explanation:

where the hole is because it's a rigid object with uniform density.

A parallel circuit is shown in the diagram above. In this case the current supplied by the battery splits up, and the amount going through each resistor depends on the resistance. If the values of the three resistors are: R1 = 82, R2=82, and R3 = 42, the total resistance is found by: 1/R = 1/8+1/8+ 1/4 = 1/2. This gives R = 22. With a 10 V battery, by V = 1 R the total current in the circuit is: I = V/R = 10/2 = 5 A. The individual currents can also be found using I = V/R. The voltage across each resistor is 10 V, so the resistance across R1 : 2.5A 1.25V 2.5V 1.25A​

Answers

Answer:

Huh is there options?

Explanation:

XD I dont understand have a good day tho a better person and smarter person will answer this for u

MUSIC

Progressions can start on any number of chords but usually end on the I.
true or false

Answers

Answer:

true

Explanation:

Answer:

false

Explanation:

HELP! WILL GIVE BRAINLIST!!!
- What effect do oceans have on the climate?
a. Oceans produce extreme cold.
b. Oceans moderate temperatures and climate.
c. Oceans have little effect climate.
d. Oceans create extreme temperatures.

Answers

The answer is for this is C

Answer:

b. Oceans moderate temperatures and climate.

Explanation:

i had this on my quiz and it was right =]

I need help with science homework

Answers

Answer:

4. atmosphere and geosphere

5. atmosphere and hydrosphere

6. hydrosphere and geosphere (? not sure about this one sorry)

7. hydrosphere and geosphere

8. biosphere and geosphere

Body weight 7,056 kN. What is its mass?

Answers

Jskskskskkeme,ememmemememememkeke

Answer:

Explanation:

The formula for weight goes- Weight=Mass*Gravity

We need to re arrange the formula in order to find the mass

so, mass=w/g

~If the person is on Earth then we can substitue the official the value of gravity as 9.8m/s^2 (this value is fixed)

~ The weight given in this question is 7,056 kN , but we need the weight to be in Newtons for the formula to acc work. So converting  7,056 kN to newtons would give 7056000N. (Newton = Kilonewton * 1000)

Now all we need to do is compute these values-

M=  7056000/9.8

M=720000kg

Well, thats the ans

13. Austin rode his bike 10 m/s for two minutes. How far did he travel? A. 200 meters B. 1200 meters C. 1000 meters D. 20 meters​

Answers

Answer:

B. 1200

Explanation:

60 sec in one min in 2 min there will be 120 sec. 10x120=1200

A plane lands and comes to a complete stop. If the plane covers 200 m and decelerates at 7.5 m/s2 , what was the planes initial velocity as it touched the runway?

Answers

Answer:

The initial velocity of the plane is 54.77 m/s

Explanation:

Given;

distance covered by the plane, d = 200 m

deceleration of the plane, a = - 7.5 m/s²

The initial velocity of the plane is given by the following kinematic equation;

v² = u² + 2ad

where;

v is the final velocity of the plane when the plane comes to a complete stop = 0

u is the initial velocity of the plane

0 = u² + 2(-7.5 x 200)

0 = u² - 3000

u² = 3000

u = √3000

u = 54.77 m/s

Therefore, the initial velocity of the plane is 54.77 m/s

LuLu mixes a solution of vinegar for a homemade salad dressing she is making. She makes 300 mL of vinegar by mixing 135 mL acetic vinegar with water. What is the percent by volume of the solute?

Answers

Answer:

percentage by volume of the solute = 45%

Explanation:

The percentage by volume of the solute in a solution is the percentage of the volume of the solute as against the overall volume of the solution.

In this example,

volume of solution = 300mL

volume of solute = 135mL

% volume of solute = (volume of solute ÷ volume of solution) × 100

= (135 ÷ 300) × 100

= 0.45 × 100 = 45%

∴ percentage by volume of the solute = 45%

Solid solutions containing two or more metal are commonly called alloys. True or false

Answers

Answer:

True

Explanation:

An alloy is a combination of metals or metals combined with one or more other elements. For example, combining the metallic elements gold and copper produces red gold, gold and silver becomes white gold, and silver combined with copper produces sterling silver.

Answer:

this is true

Explanation:

yes yes true

Give one example where friction is useful. Can someone feed me with correct answer pls c:

Answers

Answer:

Friction is what holds your shoe to the ground. The friction present on the ice is very little, this is the reason why it is hard to walk on the slippery surface of the ice.

Explanation:

Keeping traction on a race track

What type of electric current does a power plant generate for use in your home? OA direct alternating OC. repeating OD straight​

Answers

Answer:

Direct current

Explanation:

Because it cannot reverse, and it's optimum for usage by electric home appliances.

Unlike Alternating current which reverses, and can cause electric appliances to burn out.

A body weighing 108N moves with speed of 5m/s in a horizontal
circular of radius 5m.Calculate the magnitude of the:
(i)centripetal acceleration (ii) Centripetal force (iii) centrifugal
force​

Answers

Answer:

i) 5 [tex]m[/tex]/[tex]s^{2}[/tex]  ii) 54 [tex]N[/tex]  iii) 54 [tex]N[/tex]

Explanation:

i) [tex]a = \frac{v^{2}}{r}[/tex] ⇒ [tex]a[/tex] = 5² ÷ 5 = 5 [tex]m/s^{2}[/tex]

ii) [tex]m = \frac{W}{g}[/tex] ⇒ [tex]m[/tex] = 108 ÷ 10 = 10.8 [tex]kg[/tex] , [tex]F = ma[/tex] ⇒ [tex]F =[/tex] 10.8 × 5 = 54 [tex]N[/tex]

iii) F1 = F2 = 54 [tex]N[/tex]

How much would a pair of 0.5 kg shoes weigh on Earth? (Include units in
your answer) *

Answers

Answer:

1.1 lbs

Explanation:

To convert kg to lbs you multiply kilograms by 2.2. So 0.5kg × 2.2 equals to 1.1 lbs

which shows one example of physical change and the one example of a chemical change?
a. dissolving sugar and grinding pepper
b. melting butter and mixing flour with salt
c. boiling water and burning gasoline
d. roasting meat and freezing leftovers

Answers

Answer:

D. Freezing water and burning coal

Explanation:

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