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After falling from rest from a height of 30m, a 0.53 kg ballrebounds upward, reaching a height of 20m. If the contactbetween ball and ground lasted 2.1 ms, what average force wasexerted on the ball?
find the following for the time at which the cart is at position P2, with one-third of the loop in the magnetic field.
An electron, starting from rest, accelerates through a potential difference of 779 V. What is the final de Broglie wavelength of the electron
A ball of mass 0.25 Kg that is moving with a speed of 10 m/s collides head-on and elastically with another ball initially at rest. Calculate the mass of the target ball
A typical jetliner lands at a speed of 148 mi/h and decelerates at the rate of (11.6 mi/h)/s. what is the total displacement of the jetliner
GPS satellites orbit the Earth at an altitude of 12,500 miles. How long does it take these satellites to make a complete orbit of the Earth?
The tub of a washer goes into its spin cycle, starting from rest and gaining angular speed steadily for 9.00 s, how many revolutions does the tub turn while it is in motion
If friction and air resistance can be neglected, determine her speed vB when she reaches the horizontal end of the ramp at B.
A 148 gram baseball is hit toward the left by a bat. The magnitude of the force the bat exerts on the ball as a function of time, Find the magnitude of the impulse that the bat imparts to the ball
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.70 104 m/s, and the radius of the orbit is5.00 106 m. What is the orbital speed of the second satellite
A 7.5 nC charge is located 1.8m from a 4.2 nC charge. Find out the magnitude of the electrostatic force that one charge exerts on the other. Is the force attractive or repulsive.
12-gauge copper wire has a radius of 1.03×10^?3 m. How much current will pass through the wire if a potential difference of 9.00 V is applied across it
Two 120kg lead spheres are suspended from 170m -long massless cables. By what distance do the two spheres move closer
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