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Alexeev081 [22]
3 years ago
10

I need help quickly pls

Physics
1 answer:
sukhopar [10]3 years ago
4 0

Answer:

Ok I'm not 100% on this one but, try 3 lifes sorry if u get it wrong D:

Explanation:

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Calculate the force needed to bring a 1,019-kg car to rest from a speed of 29 m/s in a distance of 118 m
son4ous [18]
Acceleration = ▵v/▵t
Time = d/v
Fisrt calculate time : ( 118/29 ) = 4 seconds
Then calculate acceleration
A = 29/4 = 7.25 m/s²
Now the force.
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F= 1,019 * 7.25
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A ball has a mass of 0.1 kg and an initial velocity of 20 m/s. The ball is given an acceleration of 30 m/s2 for 5 s. What is the
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Answer:

acceleration = v-u /t

30- 20/5

= 10/5 = 2m/sec²

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