Physics, 06.09.2021 14:00 jebjeb6135
. A projectile is launched from a cliff 100m above level ground with a velocity of 30m/s at an
angle 20⁰ above the horizontal. Determine the projectile’s a) Range, b) pick height, c) velocity at
2s after launch.
Answers: 3
Physics, 22.06.2019 02:00
Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?
Answers: 3
Physics, 22.06.2019 06:00
When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.
Answers: 2
Physics, 22.06.2019 10:30
Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
Answers: 1
Physics, 22.06.2019 14:30
When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
Answers: 3
. A projectile is launched from a cliff 100m above level ground with a velocity of 30m/s at an
ang...
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