Physics, 19.10.2019 00:00 anamariarozo
Achild is sending pulses down a stretched rope at a rate of 2 pulses per second. the distance between the pulses is 5 meters. what is the speed of the wave?
a. 5 m/s
c. 2 hz
b. 10 m/s
d. 2.5 m/s user: longitudinal seismic waves are known as
a. primary waves.
b. secondary waves.
c. surface waves.
d. transverse waves.
Answers: 1
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Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?
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Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four
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Achild is sending pulses down a stretched rope at a rate of 2 pulses per second. the distance betwee...
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