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attashe74 [19]
3 years ago
12

on a distant planet a freely falling object has an acceleration of 20 m/s.^2 what speed will a body dropped from rest on his pla

net avquire in 1.5s
Physics
1 answer:
N76 [4]3 years ago
4 0

Answer:

30 m/s

Explanation:

Vf = ?

Vi = 0 m/s

a = 20 m/s^2

t = 1.5 s

Plug those values into the equation: Vf = Vi + at

Vf = 0 + (20)(1.5)

Vf = 30 m/s

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what is the kinetic energy of a hammer that starts from rest and decreases its potential energy by 10k?
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8 0
3 years ago
Silver has a mass of 10.5 grams and a volume of 19.3 cm3. What is its density?
Neko [114]

Answer:

<h3>The answer is 0.54 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

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Hope this helps you

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How much force is needed to accelerate a 2500 kg car at a rate of 3.5 m/s^2?
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