Physics Practice Problems Newton's Second Law and Momentum Practice Problems Solution: A child pulls a wagon behind her when it starts to...

# Solution: A child pulls a wagon behind her when it starts to rain. If the wagon is collecting 10 mL of water per second, with what force does she have to pull the wagon to keep it moving at 1.5 m/s?

###### Problem

A child pulls a wagon behind her when it starts to rain. If the wagon is collecting 10 mL of water per second, with what force does she have to pull the wagon to keep it moving at 1.5 m/s?

Newton's Second Law and Momentum

Newton's Second Law and Momentum

#### Q. A sled filled with sand slides without friction down a 38° slope. Sand leaks out a hole in the sled at a rate of 2.1 kg/s. If the sled starts from res...

Solved • Mon Nov 12 2018 16:11:42 GMT-0500 (EST)

Newton's Second Law and Momentum

#### Q. A particle of mass m is at rest at t = 0. Its momentum for t &gt; 0 is given by p  x = 6t2  kg•m/s, where t is in s. Find an expression for Fx(t), the...

Solved • Mon Nov 12 2018 16:05:12 GMT-0500 (EST)

Newton's Second Law and Momentum

#### Q. A 15 kg object moves along a path given by x(t) = 3m - (1.7 m/s)t + (0.7 m/s3)t3. (a) What is the object's momentum as a function of time?(b) What is ...

Solved • Tue Mar 21 2017 12:17:48 GMT-0400 (EDT)