“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.   A car rounds a circle in counterclockwise direction while maintaining a constant speed. Which arrow represents the direction of the net force on the car as it rounds the curve at the instant shown below?

Malachi was trying to think of a snazzy way to introduce the topic of rent stabilization for his upcoming presentation. His roommate suggested using a dramatic statistic. Which lead sentence should Malachi use in order to follow that advice?

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.   Johnny brought some balloons for his mom’s birthday party.  He tied the balloons at the back of his truck and started driving.  While he was driving, he saw a dog crossing the street.  He stopped short to avoid hitting the dog.  

There are some instances where it is appropriate to apologize before, during, or after 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.   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.   Where is the center of Mass of the following item?  The black dot represents the location of the center of mass.

What advice is given for rehearsing your 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.   A roller coaster traveling on a track as shown below. Disregard rotational motion and air resistance.  When the cart is at point D coming down,