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Zach, whose mass is 83kg , is in an elevator descending at 10m/s . The elevator takes 3.4s to brake to a stop at the first floor.
1. What is Zach's weight before the elevator starts braking?
2. What is Zach's weight while the elevator is braking?
A mass of 0.006 kg is attached to a spring that requires a force of 0.01 N to extend it 0.05 meters greater than its natural length, Find maximum velocity of spring when released from rest
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Find the energy of the capacitor at the moment.
A soccer player kicks the ball toward a goal that is 16.0 m in front of him, Find the speed of the ball when the goalie catches it in front of the net
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In the neighborhood of the origin in the coordinate system x,y,z, there is an electric field E of magnitude 100 statvolts/cm, What magnetic field does this observer report
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Two opposite point charges of magnitude 2.500e-6 C are located near the origin. What is the magnitude of the dipole moment vector for this pair of charges
Oscillation of a 500 Hz tuning fork sets up standing waves in a string clamped at both ends. The wave speed for the string is 430 m/s. What is the length of the string
A stockroom worker pushes a box with mass 11.2 kg on a horizontal surface with constant speed of 3.50m/s. What horizontal force must the worker apply to maintain the motion
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