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At table tennis ball has a positive charge of 4.50 × 10-8 coulombs. It experiences a force of 2.72 × 10-3 N due to an electric field. Compute what the strength of the electric field?
A shell is shot with an initial velocity v1 of 33 m/s, at an angle of 60° with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass (Fig. 8-26). One fragment, whose speed immediately after the explosion is..
A human-sized version of the popular "hamster wheel" is shaped like a cylindrical shell and has a radius of 2.25 m. A person running on the wheel applies a horizontal force of 148 N to the bottom of the wheel. What torque does he supply
The position function x(t) of a particle moving along an x axis is x = 4.0 - 4.5t2, with x in meters and t in seconds. At what negative time does the particle pass through the origin
the football has a mass of .40kg and the quarterback that threw the ball accelerated it from rest to 25 m/s in a distance of .60m. what force did the player's hand exert on the ball
q1. a gun shoots bullets that leave the muzzle with a speed of 326 ms. if a bullet is to hit a target 172 m away at the
Resistors of values 8.0 ?, 12.0 ?, and 24.0 ? are connected in parallel across a fresh battery. Which resistor dissipates the greatest power
A five kilogram block and a four kilogram block are placed at either end of a compressed spring. what is the velocity of the other block
An observer moving at a speed of 0.995c relative to a rod measuresits length to be 1.90m and sees its length to be oriented at 25.00degrees with respect to the direction of motion. What is the proper length of the rod
A vacuum cleaner is connected to a 120V socket and uses 3.0 A when the back emf generated by the electric motor is 72 volts. What is the resistance of the coil in the motor?
What other social and religious impacts is Fontanelle mentioning?
Light enters the aperture of your AN/PVS-15 Night Vision Goggles at an incident angle of 32 degrees, What is the index of refraction of your objective lens
A box with a volume of 3.9 L contains 4 molecules. By what factor is the total number of states for all molecules increased
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