### Physics 2nd Semester Exam Review

Summer Skidmore

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Across
3.Find the frequency of an ocean wave whose period is 100 seconds.
5.Sound is a __ wave
9.To reduce the force of impact the __ must be increased.
10.SI unit for power.
11.An ampere is a unit of
13.Visible light waves travel __ radio waves.
14.Find the total resistance with 5 ohm and 10 ohm resistors in series.
19.The definition of electrical power is:
21.Find the power of an 8V flashlight battery with .75 A of current
22.Sound travels __ light.
23.A volt is a unit of:
24.Sound travels fastest in__
Down
1.Momentum=
2.Find the current of a toaster of 2000 W in a 100V wall outlet
4.Find the total resistance with 2 ohm and 12 ohm resistors in parallel
6.Electrical resistance is measured in
7.Find the speed of a wave when f=30 Hz and wavelenght = 2 m.
8.Momentum change =
12.Light is a __ wave
15.Compared to the velocity of the first train before the collision, the velocity of the combined trains after the collision is __.
16.Find the resistance with a 20 V battery and 5A of current.
17.Find the amplitude of two 5-m high waves arriving at the same place at the same time.
18.Find the voltage of an 11 ohm resistor with a 6A of current.
20.SI unit for power

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