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Q. A 0.174 kg softball is pitched horizontally at 26 m/s. the ball moves in the opposite direction at 38 m/s after it is hit by the bat.
a) what is the change in momentum of the ball?b) what is the impulse delivered by the bat?c) if the bat and softball are in contact for 0.80 ms, what is the average force that the bat exerts on the ball?
The distance between deer B and C is 92 m. What is distance between deer A and C.
Find the pressure at pump discharge, rate of flow of a pump, energy required by the pump, and size of the pump motor.
You are standing 2.5 {rm m} straight in front of one of the two loudspeakers. They are 3 {rm m} apart and both are playing a 686 {rm Hz} tone in phase. As you begin to walk directly away from the speaker, at what distances from the speaker do you ..
Sketch a principle ray diagram showing the formation of the image. compute the position, size, orientation (erect or inverted), and nature (real or virtual) of the image.
If a car travelling at 52 km/h will skid 18 m when its brakes lock, how far-off will it skid if it is travelling at 120 km/h when its brakes lock.
What is an acceleration of the car
Compute average magnetic flux through turn of inner solenoid
A chair of weight 130 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.00 N directed at the angle of 35.0 degrees below the horizontal and the chair slides along the floor. Using Newton's law..
For a damped oscillator with a mass of 320g, a spring constant 82N/m and a damping coefficient of 71g/s, what is the ratio of the amplitude of damped oscillations to the initial amplitude at the end of 28 cycles.
A 4.40 kg block is pushed along a floor by a constant applied force that is horizontal and has a magnitude of 40.0 N. it gives the block's speed v versus time t as the block moves along an x axis on the floor. The scale of its vertical axis is set by..
If the average frequency emitted by a 200,-, rm W light bulb is 5.00 times 10^ {14}, {rm Hz}, and 10.0 percent of the input power is emitted as visible light, about how many visible-light photons are emitted per second.
What is size of the gravitational force on the moon
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