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Q1. A proton orbits a long charged wire, making 1.50 times 10^ {6} revolutions per second. The radius of the orbit is 1.60 cm. What is the wire's linear charge density?
Q2. A rock stuck in the tread of a 59.0--diameter bicycle wheel has a tangential speed of 3.00. When the brakes are applied, the rock's tangential deceleration is 1.60.
Q3. The top of Mt. Everest is 8750 m above sea level. Assume that sea level is at an average Earth radius of 6.38×10^6 m. What is the magnitude of gravitational acceleration at the top of Mt. Everest? Mass of the Earth is 5.97×10^24 kg.
Two charges q1 = 6 µC, q2 = -49 µC, are L = 19 cm apart. A third charge is to be placed on the line between the two charges. How far from q1 should the third charge be placed so that the net electric force on the third charge is minimized?
suppose that the displacement of your hand is 0.70 m as you throw the ball straight up. How long is the ball is in your hand.
a negative charge of -0.550uC exerts an upward 0.205n force on an unknown charge 0.305m directly below it. what is the direction of the force that the unknown charge exerts on the -0.550uC charge
A liquid compresses 2.0 percent when subjected to a pressure of 34 MPa. What is the bulk modulus of the liquid
A single slit 1.0mm wide is illuminated by 500nm light. What is the width of the central maximum (in cm) in the diffraction pattern on a screen 4.0m away
A crate of potatoes of mass 12.0 kg is on a ramp with angle of incline 30° to the horizontal, Find the frictional force (magnitude and direction) on the crate if the crate is sliding down the ramp
An electromagnetic wave in a vacuum has a magnetic field with a magnitude of 1.29 × 10-6 T. What is the intensity S of the wave
A man drags a table 3.80 m across the floor, exerting a constant force of 51.0 N, directed 31.0° above the horizontal. Find the work done by the applied force
q1. a car carrying a 75 kg test dummy crashes into a wall at 31 ms and is brought to rest in 0.10 s. find the average
A physics lab demonstrates the principles of simple harmonic motion (SHM) by using a spring affixed to a horizontal support, calculate the spring constant
What is magnitude of the gravitational attraction
Vector A has a magnitude of 11 and points in the positive x-direction, with the positive x-axis. What is the magnitude of A and B
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