This is an original exam question by Prof Kay Han. It is forbidden to photograph, upload, download, copy, or share this problem with anyone, or to post it to any website.   You use a wrench to turn a rusty nut.  You place your hand at where the black dot is and apply a force F = N at an angle

The standard deviation of the sample distribution of the x-bars is called the standard error of the mean.

This is an original exam question by Prof Kay Han. It is forbidden to photograph, upload, download, copy, or share this problem with anyone, or to post it to any website.   If you push a 4.0-kg mass with the same force that you push a 10-kg mass from rest,

This is an original exam question by Prof Kay Han. It is forbidden to photograph, upload, download, copy, or share this problem with anyone, or to post it to any website.   In a baseball game, Jamie hit the ball and it travels in a parabola trajectory.  As it moves along this path,

This is an original exam question by Prof Kay Han. It is forbidden to photograph, upload, download, copy, or share this problem with anyone, or to post it to any website.   In the following ticker tape experiment, which one(s) is(are) constant speed?

This is an original exam question by Prof Kay Han. It is forbidden to photograph, upload, download, copy, or share this problem with anyone, or to post it to any website.   Jack and John pull on a box with a mass M = 54 kg, causing the box move to the right with a constant speed. Acceleration: a 0 Net force Fnet 0 F2 F1

“That’s all I got” is an effective way to end a speech.

This is an original exam question by Prof Kay Han. It is forbidden to photograph, upload, download, copy, or share this problem with anyone, or to post it to any website.   Jenny brought some balloons for her mom’s birthday party.  She tied the balloons at the back of her convertible.  She waved good bye to her boy friend and started the engine.  As she drove forward,

This is an original exam question by Prof Kay Han. It is forbidden to photograph, upload, download, copy, or share this problem with anyone, or to post it to any website.   A chinchilla is running with a velocity v.  A lab rat with half the mass is also running with v.  Compare the kinetic energy.

This is an original exam question by Prof Kay Han. It is forbidden to photograph, upload, download, copy, or share this problem with anyone, or to post it to any website.   Calculate the average speed (in m/s) of an antelope that runs   m in   seconds