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A parachutist with a camera descends in free fall at a speed of 11 m/s. The parachutist releases the camera at an altitude of 140 meter.
(a) Find how long does it take the camera to reach the ground?
s
(b) Find the velocity of the camera just before it hits ground?
m/s
1. explain why you are safe and unaffected inside a car that is struck by lightning. also explain why it might not be
A nonconducting ring of radius of 11.6 cm is uniformly charged with a total positive charge of 10.0 µC. find the magnitude of the magnetic field on the axis of the ring 5.00 cm from its center
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A batted baseball leaves the bat at an angle of 30.0^\circ above the horizontal and is caught by an outfielder 360 {\rm ft} from home plate at the same height from which it left the bat
What is the threshold energy for this reaction to occur
An RLC circuit has a reactance, due to its capacitance, of 19 kilo ohms a reactance, due to its inductance, of 10 kilo ohms; and a resistance of 25 kilo ohms
q1. a conveyor belt at a quarry lifts 2000 kg of sand per minute up a vertical distance of 12 meters. the sand is at
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