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A particle of mass m0 is given a kinetic energy equal to one-fourth its rest-mass energy. How fast must the particle be traveling?
A block of mass M is sliding down a rough inclined plane with constant velocity v. Find an expression for the angle theta
A pilot claims to have seen a UFO moving initially at the speed of about 440 m/s in an easterly direction and then, in a tie interval of only 1.0s turning 45 degrees and moving souutheast at 440 m/s
At the instant the car begins to accelerate, a truck with a constant velocity of 21 m/s passes in the next lane. Explain how far will the car travel before it overtakes the truck?
Consider a 2.4 kg object sliding along a horizontal frictionless surface at 5.2 m/s. Find initial and final elastic potential energies
Suppose the Sun could collapse into a neutron star of radius 12.0 km without losing any mass in the process. Calculate the orbital speed of the probe
Given the initial velocity V1=2i+1j m/s of a moving object. It is subject to the acceleration A=1i+2j m/s^2, What is the object's final speed
The angular speed of the rotor in a centrifuge increases from 423 to 1404 rad/s in a time of 5.20 s. Obtain the angle through which the rotor turns
A capacitor is connected across an ac source that has voltage amplitude 61.0 A and frequency 81.5 Hz. What is the phase angle ? for the source voltage relative to the current? Does the source voltage lag or lead the current?
Estimate the Doppler shift for a radio wave reflected from an airplane moving directly toward you at a speed of 298 m/s. Assume the radio wave has a frequency of 8.9 106 Hz
You buy a plastic dart gun, and being a clever physics student youdecide to do a quick calculation to find its maximum horizontal range. What is the maximum horizontal range of your gun
The track is 10.00 cm wide, 5.00 m long, and 2.78 m high, and is solid. The runway is cut such that it forms a parabola by the equation y = (x - 5)2 / 9
An automobile has a total mass of 1700 kg. It accelerates from rest to 40 km/h in 10 s. Assume each wheel is a uniform 32 kg disk. find the total kinetic energy of the automobile
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