Physics, 10.07.2019 23:40 francisco42002
Calculate the center of mass of 4 objects having masses of 18 kg, 5 kg, 8 kg and 22 kg which are located along the x-axis at positions xi-0.6 m, x2--0.2 m, xy- 0.5 m and x41.2 m, respectively. a 0.17 kg cue ball strikes the rail of a pool table at a speed of 8 m/s, rebounding with a velocity of 6 m/s. a) calculate the impulse delivered to the ball by the pool table. b) what average force would produce this impulse, if the total time duration of the impact is 20 msec? (1 msec 1 millisecond- 0.001 sec) 10. 1. the equation of motion describing the angular position of a spinning wheel is given by the expression o(t)-12t-3t (rad]. what is the total angular displacement in degrees from t-4 sec to t-6 sec?
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Write a full page that sumerizes thermodynamics itβs from the website visionlearnig
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You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?
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The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db
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An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.
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Calculate the center of mass of 4 objects having masses of 18 kg, 5 kg, 8 kg and 22 kg which are loc...
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