Physics, 18.10.2019 23:10 4300404440
Select the situations from the list in which mechanical energy is conserved. (a) a ball slides down a hill with friction. (b) an ice skater glides along the ice. (c) a ball is dropped from a certain height and bounces back to a lower height.(d) a child swings on a frictionless swing, ignoring air resistance. (e) a ball slides down a frictionless hill. (f) the moon orbits the earth.
Answers: 1
Physics, 21.06.2019 20:30
Aball is thrown straight up into the air with a speed of 21 m/s. if the ball has a mass of 0.1 kg, how high does the ball go? acceleration due to gravity is g = 9.8 m/s^2. a. 22.5 m b. 20.0 m c. 25.0 m d. 17.5 m
Answers: 2
Physics, 22.06.2019 05:30
What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?
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Physics, 22.06.2019 08:00
Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance
Answers: 3
Select the situations from the list in which mechanical energy is conserved. (a) a ball slides down...
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