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Problem: Unless otherwise stated, all objects are located near the Earth's surface, where g = 9.80 m/s2. A gun is fired and a 60g bullet is accelerated to a muzzle speed of 130m/s.
Part A: If the length of the gun barrel is 0.90 m, what is the magnitude of the accelerating force? (Assume the acceleration to be constant.)
I need help to find the magnitude of the accelerating force.
The speed of electromagnetic waves (which include visible light, radio, and x rays) in vacuum is 3.0 x 108 m/s. Wavelengths of visible light waves range from about 400 nm in the violet to about 700 nm in the red. What are the (a) minimum and (b) m..
vector a which is directed along an x axis is to be added to vector which has a magnitude of 7.0 m. the sum is a third
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The electric field near the surface of Earth points downward and has a magnitude of 150 N/C. What is the ratio of the magnitude of the upward electric force on an electron to the magnitude of gravitational force on the electron? What charge must be p..
consider a refracting telescope with an objective lens of focal length fobj 1.4 m and an eyepiece with focal length
A heat engine using 1 mole of an ideal gas follows the Carnot Cycle ABCD, where the transitions are: How much heat in kJ is absorbed during the transition AàB? How much heat in kJ is released during the transition CàD? What is the thermal efficiency ..
An object undergoes simple harmonic motion in the x direction. Its position is given by x=A sin(0.497 t + 4.32), What is the frequency of the object's motion in hertz (Hz)
A tennis player swings her 1000g racket with a speed of 11m/s, If the tennis ball and racket are in contact for 12ms, find the average force that the racket exerts on the ball
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