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. Uncle Jack uses the following device to carry some veggies to sell in town. If mA is [x] time heavier than mB. If the mB is dB meter away from his shoulder, and dB is 1 meter. How far away should dA be, so that the load would be balanced? (Fill in a numerical value.)
Read DetailsA marketing survey of [n] customers asks about their preferr…
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?
Read DetailsThis 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. If you push a 20.0-kg mass with the same force that you push a 5-kg mass from rest,
Read DetailsThis 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. 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?
Read DetailsThis 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. Little John (in Robinhood) shoots an arrow upward. As the arrow flies upward, which direction will Little John move?
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