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A 120g cue ball moving at 0.35m/s strikes a stationary target ball with the same mass. After the collision, the cue ball moves at 0.18m/s at 60 degrees from its original line of motion.
PART A: Find the system's center-of-mass velocity before the collision.
PART B: Find the system's center-of-mass velocity after the collision.
A fixed system of charges exerts a force of magnitude 9 N on a 3 C charge. The 3 C charge is replaced with a 10 C charge. What is the exact magnitude of the force
Two small identical conducting spheres are placed with their centers 0.78 m a part, The spheres are connected by a conducting wire, What is the electrostatic force between the two after equilibrium is reached
Suppose a ping-pong ball and a bowling ball are rolling toward you with the same momentum, and you exert the same average force in stopping each of them.
Consider an RC circuit with R = 3.10k? , C = 1.40?F . The rms applied voltage is 240V at 60.0Hz. compute the phase angle between voltage and current
An 1150-kg car pulls a 450-kg trailer. The car exerts a horizontal force of 3,800 N against the ground in order to accelerate. What force does the car exert on the trailer? Assume an effective friction coefficient of 0.15 for the trailer.
The magnetic field in an electromagnetic wave has a peak value given by B = 3.3uT. Find the peak intensity. Find average intensity
A single strand of wire of adjustable length is wound around the circumference of a round balloon that has a diameter of 25.0 cm, what is the magnitude of the average value of the emf induced in the loop
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. calculate How fast are the waves traveling
The elevator is firstly at rest. How far does the elevator move even as accelerating to full speed from rest.
A lens of focal length 15.0 cm is used to create an image of the Full Moon. What is diameter of the image? The Moon's radius and average distance from Earth are 1.74× 106m and 3.85× 108 m, respectively
In a certain region of space, the electric field, E, is constant in direction (say horizontally in the +x-direction), but its magnitude decreases.
find the arrow's initial speed? How long did it take for the arrow to first reach a height of 17.5 m above its launch point.
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