Kepler's Laws of Motion explain why .
A
planets closer to the sun travel faster in their orbi...
Physics, 03.02.2021 02:30 iiheartshay
Kepler's Laws of Motion explain why .
A
planets closer to the sun travel faster in their orbits than planets that are far away from the sun
B
comets have long tails
C
most meteors burn up in the atmosphere
D
objects can move
Answers: 2
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Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
Answers: 3
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In science and physics what is the standard unit of measure for speed?
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Another word for electromagnetic energy is a. heat b. force c. matter d. radiation
Answers: 1
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Abasketball star covers 2.65 m horizontally in a jump to dunk the ball. his motion through space can be modeled precisely as that of a particle at his center of mass. his center of mass is at elevation 1.02 m when he leaves the floor. it reaches a maximum height of 1.90 m above the floor and is at elevation 0.910 m when he touches down again. (a) determine his time of flight (his "hang time"). (b) determine his horizontal velocity at the instant of takeoff. (c) determine his vertical velocity at the instant of takeoff. (d) determine his takeoff angle. (e) for comparison, determine the hang time of a whitetail deer making a jump with center-of-mass elevations yi = 1.20 m, ymax = 2.45 m, and yf = 0.750 m.
Answers: 1
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