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Ocean waves travel in to the beach at an average velocity of 2.5 m/s
if these waves come in 4 seconds apart, what is the average distance between the wave peaks, considering the formula v=d/t
a) 0.625 m
b) 1.6 m
c) 5.0 m
d) 10.0 m
the wattage of speaker describes the rate at which energy is converted from electrical energy to sound energy. this is the description of which of these?
a) energy
b) power
c) transformation
d) work
a bodybuilder lifts a certain weight up and down. if the body builder does it in less time, which of these statements is most accurate?
a) the body builder uses both the same energy and power.
b) the body builder uses both more energy and more power.
c) the body builder uses the same energy and but more power.
d) the body builder uses the same power and but more energy.
students in a physical education class practiced rope climbing. students gripped a rope that hung from the ceiling and lifted themselves up the rope using only their arms. what must be measured to determine the power output of the climbers?
a) tension on the rope and the final height
b) body mass, final height, and the tension on the rope
c) tension on the rope and the time required to complete the climb
d) body mass, final height, and the time required to complete the climb
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Ocean waves travel in to the beach at an average velocity of 2.5 m/s
if these waves come in 4...
if these waves come in 4...
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