A marketing survey of [n] customers asks about their preferred shopping day: Monday, Wednesday , Friday and Saturday. The survey results showed the following breakdown: Monday 15%, Wednesday 15%, Friday 30%, and Saturday 40%.   If the company expects an equal distribution of shopping preferences across these four days, what is the expected number for Friday?

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 20.0-kg mass with the same force that you push a 5-kg mass from rest,

After you have written your objectives, what is the next part of the outline you should write?

Patti presents a wonderful speech to the class. Her speech is easy to follow and understand. She uses phrases like, “to begin with,” “for example,” and “let’s move on to something even more exciting..” She is using:

Your main point sentences serve the function of developing and proving your thesis.

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.   Suppose you have a [x] kg airplane whizzing around in a circle. Here is the top view of that plane.  If the plane is travelling at [y] m/s and the radius of the circle is [z] m.  What is the centripetal force in newtons on the plane?   

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.   Little John (in Robinhood) shoots an arrow upward.  As the arrow flies upward, which direction will Little John move?

What is the maximum about of words that should be included in both the thesis and main point sentences?

“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?