Physics, 26.01.2021 01:00 pahalsehgal
A golfer hits a stationary golf ball and gives it a velocity of 57.5 m/s. The golf ball has a mass of 0.045 kg. The impact of the golf club and the ball was 0.3 seconds. Calculate the force the golfer puts on the golf ball.
Answers: 3
Physics, 21.06.2019 22:20
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.)
Answers: 1
Physics, 21.06.2019 23:10
A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
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The pressure proportional to the area a- inversely b- directly c- increase d-decrease
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Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?
Answers: 1
A golfer hits a stationary golf ball and gives it a velocity of 57.5 m/s. The golf ball has a mass o...
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