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Q 1/11
Score 0
An object can become positively or negatively charged if it gains or loses which particles?
30
neutrons
electrons
protons
atoms
11 questions
Q.An object can become positively or negatively charged if it gains or loses which particles?
1
30 sec
Q.A student is shaking one end of a small rug with a ball on top of it. The wave that is produced travels through the rug and moves the ball upward, as shown in the diagram below. Which type of wave is produced in the rug?
2
30 sec
Q.What is the frequency of a water wave that travels at a velocity of 22 m/s with a wavelength of 108 meters? Round answer to 1 decimal place.
3
60 sec
Q.Which of the following has kinetic energy?
4
30 sec
Q.Calculate the gravitational potential energy of a 56 kg woman who is standing on a ladder 2.5 meters off the ground.
5
60 sec
Q.Which of these is an example of work being done on an object?
6
30 sec
Q.Which law of motion is correct for this situation?A heavy bag of groceries require double the force to carry than a lighter bag of groceries.
7
30 sec
Q.What is the weight of a 50.0 kg deer because of gravity?**Enter the answer exactly as it appears on the calculator. Enter number ONLY, no units!
8
60 sec
Q.If you drop a sheet of paper and a pencil at the same time, the pencil will hit the ground first even though they experience the same gravitational acceleration. Why?
9
30 sec
Q.The difference between speed and velocity is that velocity includes —
10
30 sec
Q.Using the Acceleration Graph below, what is occurring between points D and E?