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An object with a charge of -4.4?C and a mass of 1.7×10?2kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to its weight.
A) Find the magnitude of the electric field.
B) Find the direction of the electric field.
C) If the electric charge on the object is doubled while its mass remains the same, find the direction and magnitude of its acceleration.
D) If the electric charge on the object is doubled while its mass remains the same, find the direction and magnitude of its acceleration.
The components of a simplest clamping circuit.
Compute the speed of the water just before striking the turbine blades (neglect air resistance).
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batted straight back to Lonnie with a return speed of 60 m/s. If the bat is in contact with the ball for .050 s, illustrate what is the impulse experienced by the ball.
A ball of mass 0.640 kg moving east (+x direction) with a speed of 3.50 m/s collides head-on with a 0.84 kg ball at rest. If the collision is perfectly elastic, what will be the speed and direction of each ball after the collision?
A pitcher throws a 0.140-kg baseball, and it approaches the bat at a speed of 50m/s. The bat does Wnc = 70J of work on the ball in hitting it. Ignoring air resistance, determine the speed of the ball after the ball leaves the bat and is 25.0 m abo..
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Find out the angular velocity
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A stone is dropped from the top of the cliff. The splash it makes when striking the water below is heard 3.5 seconds after it is dropped. How high is the cliff? Presume that the speed of sound in air is 343 m/s and g = 9.8 m/s2.
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