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A particle has a kinetic energy equal to its rest energy. (a) What is the speed of this particle? (b) If the kinetic energy of this particle is doubled, does its speed increase by more than, less than, or exactly a factor of 2? Explain. (c) Calculate the speed of a particle whose kinetic energy is twice its rest energy.
A remote-controlled car's wheel accelerates at 22.1rad/s2. if the wheel begins with an angular speed of 10rad/s, what is the wheel's angular speed after exactly eleven fullturns?
In a pure rotational spectrum of HS radical (eq bond length r=1.40 Angstroms) you notice that the most intense absorption corresponds to J=8-->9 transition. Estimate the sample temperature.
It takes a flea 1.0 x 10-3 sec to reach a peak speed of 0.74 m/s. If the mass of the flea is 0.45 x 10-6 kilogram, determine what is the average power required
Consider a large number of simple pendulums each of length b and massm, which possess energies lying between E1 and E2. Show that the Hamiltonian for each pendulum is an ellipse.
two masses are joined together by a massless rod of length 0.8 m. What is the rotational kinetic energy of the system
a 145 Kg football player applies a force of 520 N horizontally on the opposing 125 Kg quarterback, How much work did the tackler do while pushing
A 200 g ball on a 60 cm long string is swung in a vertical circle about a point 200cm above the floor. The tension in the string when the ball is at very bottom of the circle is 4.4 N.
In a heart pacemaker, a pulse is delivered to the heart 81 times per minute. The capacitor that controls this pulsing rate discharges through a resistance of 1.8 x 106. One pulse is delivered every time the fully charged capacitor loses 60.5% of its ..
I am nearsighted (myopic), so instead of my far point being infinitely far away, it's only 80 cm away. How many diopters will my prescription glasses need
In the long jump final at the Olympics, a jumper launches herself at her max speed of 10 m/s. She generates a vertical push-off force by her legs of two times her own weight (2W).
q1. a rubber ball of mass m 0.739 kg is dropped from a height ho 4.73 m and it rebounds to a height hf 3.66 m.
pat builds a track for his model car out of wood. the track is 19.00 cm wide 5.00 m long and 2.78 m high and is solid.
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