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Andrew [12]
3 years ago
14

A car travels 290 m over a time of 5s. What was the speed of the car?

Physics
1 answer:
Elanso [62]3 years ago
7 0

Answer: 58

Explanation:

I did 290/5

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Physics please help !!
jeyben [28]

Answer:

(C)

Explanation:

Volume is independent of the mass. Volume depends on the spatial dimensions so no matter how much you change the mass, volume will remain the same.

3 0
3 years ago
An elevator car has a mass of 750 kg, and its three passengers have a combined mass of 135 kg. If the elevator and its passenger
joja [24]

Answer:

The change in gravitational potential energy is -1.80x10⁵ J.

Explanation:

The change in gravitational potential energy is given by:

\Delta E_{p} = E_{p_{f}} - E_{p_{i}}

\Delta E_{p} = mgh_{f} - mgh_{i}

Where:

"i" is for final and "f" for final

m: is the mass

g: is the gravity = 9.81 m/s²

h: is the height

For the car and the passengers we have:

\Delta E_{p} = m_{T}g(h_{f} - h_{i}) = (750 kg + 135 kg)9.81 m/s^{2}(0 - 20.7 m) = -1.80 \cdot 10^{5} J      

The minus sign is because when the elevator car and the passengers are up they have a bigger gravitational potential energy than when they are in the ground.

Therefore, the change in gravitational potential energy is -1.80x10⁵ J.

I hope it helps you!                                                

3 0
3 years ago
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Elenna [48]

Answer:

1. Sports education-uses seasons and teams to educate

2. Adventure education-uses challenging recreational activities

3. Outdoor education-may use camps to teach activities

4. Dance education-uses cultural movement activities

5. fitness education-teaches concepts and self-management skills

Explanation:

I figured that these answers made the most sense so ya.

3 0
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How are galaxies organized and distributed within the universe
den301095 [7]
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3 0
3 years ago
Read 2 more answers
А A pool of water of refractive index
babymother [125]

Answer:

Apparent depth = 45 cm

Explanation:

The refractive index of water in a pool, n = 4/3

Real depth, d = 60 cm

We need to find its apparent  depth when viewed vertically through  air.​ The ratio of real depth to the apparent depth is equal to the refractive index of the material. Let the apparent depth is d'. So,

n=\dfrac{d}{d'}\\\\d'=\dfrac{d}{n}\\\\d'=\dfrac{60}{\dfrac{4}{3}}\\\\d'=45\ cm

So, the apparent depth is 45 cm.

3 0
3 years ago
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