Physics, 15.04.2020 15:30 brennanjb00
Plate in the picture does not move in the z direction. Knowing that the velocity of A in the x direction - 7.4 m/s, the velocity of B in the y direction is 7 m/s, and the velocity of C in the x direction is -1.4 m/s. determine (a) the angular velocity (b) the velocity of point O.
Answers: 1
Physics, 21.06.2019 21:40
Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
Answers: 3
Physics, 21.06.2019 23:50
The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory
Answers: 2
Physics, 22.06.2019 01:30
Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.
Answers: 1
Plate in the picture does not move in the z direction. Knowing that the velocity of A in the x direc...
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