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Physics, 06.04.2020 18:20 Klevster

Use the following equations to answer the questions below. Write the number of the equation used in
the blank beside the problem. Partial credit will be given if the information given is identified.
a = Vf - Vi / t
s = d / t
p = m * v
w = F * d
P = w / t F
F = m * a

(Basically match the 6 equations to the word problems below as well as provide a answer.)

A 10-kg wagon has a speed of 25 m/s. What is its momentum?

A cross-country runner runs 10 km in 40 minutes. What is his average speed?

A high speed train travels with an average speed of 227 km/h.
The train travels for 2 h. How far does the train travel?

Find the acceleration of a car that goes from 32 m/s to 96 m/s in 8.0 s.

If a marble is dropped off of a tall building, how long would it take before it
reaches a speed of 49 m / s?

A tow truck pulls a car out of a ditch in 5 seconds. If 6000w of power is used,
how much work will be performed?

What force would be required to accelerate a 40 kg mass by 4 m/ s/ s?

A bulldozer does work at a rate of 12,000N every minute, how much power
does it have?

A 3000 kg car travels at a rate of 2 m/s2. If 12,000 J of work are done, how
far will it travel?

If Dwight races his Chevy towards Chatham and travels 2460 meters in 60
seconds. what is his velocity?

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Answers: 3

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