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An electron with speed v0 = 1.7 multiplied by 106 m/s is traveling parallel toan electric field of magnitude E = 7.0 multiplied by 103 N/C.
a) How far will the electron travel before itstops?
b) How much time will elapse before it returns to its startingpoint?
A 20.0 kg wagon is being pulled over a level driveway by a horizontally directed pulling force of 140 N. If there is a 100 N friction force opposing its motion, What is the forward acceleration of the wagon
The starter motor of a car engine draws an electric current of 27.0 A from the battery. The copper wire to the motor is 5.90 mm in diameter and 1.22 m long. What is the current density in the wire
A car crashes into a wall at 25 m/s and is brought to rest in 0.1s. Calculate the average force exerted on a 75-kg test dummy by the air bags
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 38.0 ° above the horizontal, By how much does the rocket clear the top of the wall
The period of a macroscopic pendulum made with a mass of 10 g suspended from a massless string 50 cm long is 1.42 s. Compute the ground-state (zero-point) energy
A rock thrown with speed 10.5 and launch angle 30.0(above the horizontal) travels a horizontal distance of = 18.0before hitting the ground. Find the height (yi) from which the rock was launched
He-Ne lasers are often used in physics demonstrations. They produce light of wavelength 633 nm and a power of 0.500 mW spread over a cylindrical beam 1.30 mm in diameter, What is the maximum value of the electric field
A series RLC circuit has a peak current of 1.0 A with a frequency of 7 kHz. determine the average power of the circuit over one cycle
Two objects with masses of 3.80 kg and 5.40 kg are connected by a light string that passes over a frictionless pulley, Determine the distance each object will move in the first second of motion if both objects start from rest
An aquarium contains a 5-cm layer of water (n = 1.33) floating on top of carbon tetrachloride (n = 1.461). If the angle of incidence into the water from the air is 30, what is the angle of refraction into the carbon tetrachloride?
Find out the effective coefficient of kinetic friction
The distance to a star is approximately 4.2e18 m. If this star were to burn out today, How long does it take for sunlight to reach Jupiter
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