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The electric field 10 cm away from an isolated point charge is E = 100 V/m. The electric field 20 cm away from this same charge is a. 25 V/m b. 200 V/m c. 100 V/m d. 400 V/m e. 50 V/m
A ball on the end of a string is whirled around in a horizontalcircle of radius 0.405m. The plane of the circle is 1.07m above theground. The string breaks and the ball lands 2.46m away from thepoint on the ground directly beneath the ball's locat..
A 28kg rock approaches the foot of a hill with a speed of 15 m/s. Use energy conservation to find the max height above the foot of the hill reached by the rock
What is the distance between the particles at this time? The Coulomb constant is 8.95755 × 109 N • m2/C2, the elemental charge is 1.6721 × 10-19 C, and the acceleration due to gravity is 9.8 m/s2.
Light with a wavelength of 4.5 x10-5 cm passes through a single slit and falls on a screen 100 cm away. If the slit is 0.015 cm wide, what is the distance from the center of pattern to first dark band.
What is decrease in kinetic energy throughout the collision.
A teenager pushes tangentially on a small hand-drivenmerry-go-round and is able to accelerate it from rest to afrequency of 20 rpm in 8.0 s. What force is required at the edge
a 2.00 kg block slides along a horizontal surface and is moving at 5.00 ms just as it strikes a horizontally-mounted
A round pipe of varying diameter carries petroleum from a wellhead to a refinery. What is the volume flow rate of the petroleum along the pipe
A served tennis ball is typically in contact with the racquet for 30 ms and starts from rest. In the fastest serve recorded, How far did the ball travel during the serve
Jack and Jill ran up the hill at 3.3 m/s . The horizontal component of Jill's velocity vector was 2.0 m/s. What was the angle of the hill? Illustrate what was the vertical component of Jill's velocity?
A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. What is the mass of the meter stick
q1. an electric field of 8.55x105 vm is desired between two parallel plates each of area 35.00 cm2 and separated by
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