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Problem: A Styrofoam ball of radius 31 cm falls with a terminal velocity of 5.3 m/s.
Part A: What is the mass of the ball?
I need help to determine the mass of the ball.
By means of a rope whose mass is negligible, two blocks are suspended over a pulley, as the drawing shows, with m1 = 12.2 kg and m2 = 42.8 kg. find the mass of the pulley
A box of books weighing 309 Newton moves with a constant velocity across the floor when it is pushed with a force of 376 Newton exerted downward at an angle of 39.5 degree below the horizontal
The suspended 2.8 kg mass on the right is moving up on a pulley, the 1.6 kg mass slides down the 21 degree ramp, and the suspended 9 kg mass on the left is moving down on a pulley. The coefficient of friction between the block and the ramp is 0.12..
The area of a typical eardrum is about 5.0x10?5 m2. What is the sound power (energy per second) incident on the eardrum at the threshold of hearing
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A football player runs the pattern by the three displacement vectors, , and . The magnitudes of these vectors are A = 4.00 m, B = 18.0 m, and C = 16.0 m. Using the component method, find out the (1) magnitude and (2) direction of the resultant vec..
A car is going south on I-69 at 33 m/s (74 mph). The car has good brakes so its maximum braking acceleration is 4.5 m/s2. what acceleration will be needed for the car to stop
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