Physics, 24.07.2020 04:01 lelliott86
A projectile is fired at time t= 0.0 s from point 0 at the edge of a cliff, with initial velocity components of Vox = 30 m/s and Voy = 100 m/s. The projectile
rises, and then falls into the sea at point P. The time of flight of the projectile is 25 s. Assume air resistance is negligible.
15.
0
+
What is the magnitude of the velocity at time t = 15.0 s?
O 56 m's
Answers: 1
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Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
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What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.
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Based on this activity, is kinetic energy always transformed into potential energy?
Answers: 1
A projectile is fired at time t= 0.0 s from point 0 at the edge of a cliff, with initial velocity co...
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