In the hydrogen atom, if the principal quantum number n = 4, how many possible values can the orbital quantum number ? have?
A)
8
B)
9
C)
3
D)
5
E)
10
F)
4
Indicate whether the statement is true or false
F
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Projectile Motion: A child throws a ball with an initial speed of 8.0 m/s at an angle of 40° above the horizontal. The ball leaves her hand 1.0 m above the ground and experiences no appreciable air resistance as it moves.(a) How far from where the child is standing does the ball hit the ground?(b) How long is the ball in flight before it hits the ground?(c) What is the magnitude of the ball's velocity just before it hits the ground?
What will be an ideal response?
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Fill in the blank(s) with correct word
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A. 6.0 V B. 36 V C. 45 V D. 90 V
A driver, traveling at 22. m/s, slows down her 1500. kg car to stop for a red light. What work is done by the friction force against the wheels?
What will be an ideal response?