This is an original exam question by Prof Kay Han. It is for…

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.   Below is a gear of a 5-speed bicycle.  Assume that a constant force acts on the gears with different sizes.  Which one will accelerate least?

This is an original exam question by Prof Kay Han. It is for…

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 E ,

A company sells five different products: A, B, C, D, and E….

A company sells five different products: A, B, C, D, and E. Over a month, the sales figures are as follows: Product A 15%, Product B (10%), Product C (20%), Product D (20%) and Product E (35%). A total of [n] products are sold.  If the company expects to sell an equal number of each product, calculate the expected number Product A.