Register
How long will it take a force of 2.5 N to bring a 0.25-kg object to rest if it was moving at 1.4 m/s?
150k views
4 votes
How long will it take a force of 2.5 N to bring a 0.25-kg object to rest if it was moving at 1.4 m/s?

User AbeLinkon
by
8.2k points

1 Answer

2 votes
F = ma

We also know that v = a*t
and we are looking for t

So now we can write a = F/m and fill in:

v = F*t/m or t = v*m / F

So finally:

t = 1.4 m/s * 0.25 kg / 2.5 N = 0.14 s
User Michael Spiss
by
9.0k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
How many light sources do you know Pls list them
What is the minimum resistance which can be made using five resistors each of 1/5
Link Copied!