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A small object, which has a charge q = 7.4 µC and mass m = 9.85 10-5 kg, is placed in a constant electric field. Starting from rest, the object accelerates to a speed of 1.96 103 m/s in a time of 1.02 s. Determine the magnitude of the electric field.
A large cylindrical water tank of diameter od D=3.00 m. What is the flow speed of the water when it comes out from the hole
Classically, the electron cannot pass through the barrier because E
A point charge -Q is at the center of a spherical conducting shell of inner radius R1 and outer radius R2, What is the charge on the inner surface of the shell
Compute the magnitude & direction of the current.
An object of mass 2.00 kg is held at a position A, a vertical height of 20.0 m above the ground. Point B is 8.00 m directly below A. Neglect air resistance and use g = 10.0 m/s.
An ?-particle has a charge of +2e and a mass of 6.64 × 10-27 kg. find the magnitude of the magnetic force on it
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action, How long will the mortar shell remain in the air
With each cycle, a 2430-W engine extracts 2080 J from a thermal reservoir at 90 °C and expels 1510 J into a thermal reservoir at 20 °C. How much time does each cycle take
if a force of 500n is needed to stretch a spring 2 cm, what force is needed to stretch 5cm
A train is travelling up a 5 degree incline at a speed of 2.2 m/s while the last car breaks free and begins to coast without friction. a) How long does it take for the last car to come to rest momentarily? b) How far did last car travel before mom..
A mass of 1.62 kg stretches a vertical spring 0.328 m. If the spring is stretched an additional 0.136 m and released, how long does it take to reach the (new) equilibrium position again.
the coyote accidentally runs off the edge of a cliff and plummets to the ground 30.0 m below. Illustrate what force does the ground exert on the coyote as he makes a coyote-shaped dent 0.420 m deep in the ground?
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