A ball thrown upwards reaches a maximum height and then comes back down to the original level. As the ball is going upwards, the velocity points __________ and the acceleration points __________
Fill in the blank(s) with correct word
up, down
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If a gas cloud shrinks, its gravitational potential energy is converted into
A) chemical energy. B) thermal energy and radiative energy. C) kinetic energy and sound waves. D) only radiative energy.
Evaluate the success of demand side management techniques in decreasing the demand for power plants. Could the method have worked better?
What will be an ideal response?
What is the limiting angle of resolution, in degrees, for a microscope with an objective 0.50 cm in diameter when viewing is done at 590 nm?
A. 
B. 
C. 
D. 
E. 
For each value of the principal quantum number n, what are the possible values of the electron spin quantum number ms? (There may be more than one correct choice.)
A) -1/2 B) +1/2 C) -3/2 D) 0 E) +3/2