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storchak [24]
3 years ago
13

A 100kg diver jumps off a 40m cliff. Ignoring the affects of air resistance, determine the

Physics
1 answer:
sashaice [31]3 years ago
6 0

Answer:2.86seconds

Explanation:

H=gt^2/2

t=2h/g

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x₂ = x₁ + v₁t + at²/2

Explanation:

Right out of the textbook.

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How does the momentum change if the mass of an object is doubled?
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if you double the mass or velocity you double the momentum.

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&gt;<br><br> Which activity will improve your muscle strength
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3 years ago
Zeb was lifting a box onto a moving truck. He lifted with a net force of 2000N and the box had a mass of 100 kg. What was the re
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Answer:

<h2>20 m/s²</h2>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

a =  \frac{f}{m}  \\

f is the force

m is the mass

From the question we have

a =  \frac{2000}{100}  = 20 \\

We have the final answer as

<h3>20 m/s²</h3>

Hope this helps you

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3 years ago
A train Traveled from hong kong to beijing. It traveled at an average speed of 160 km/h in the first four hours. After that, it
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