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A cyclist hits the brakes and decelerates. His wheels were spinning at 175 rev/min initially and 40 rev/min after 5 s of deceleration.
(a) Compute the average angular acceleration (in rad/s2) of his wheel during this 5 s period.
(b) How long does it take him (altogether) to come to a complete stop if he maintains the same acceleration?
Two hockey players strike a puck of mass 0.169 kg with their sticks simultaneously, exerting forces of 1.17 103 N, compute the instantaneous acceleration of the puck
A novice skier starting from rest slides down a frictionless 32 degree incline whose vertical height is 125 meters
A 24-V battery is connected in series with a resistor and an inductor, Find the energy stored in the inductor when the current reaches its maximum value
A 36 g ball is shot from a spring gun whose spring has a force constant of 529 N/m. The spring can be compressed 4 cm. How high will the ball go if the gun is aimed vertically
If electrons are accelerated from rest in an electron gun by sending them through a potential difference of 11.0 kV, what is the resulting kinetic energy of each electron?
A capacitor C stores charge Q when there is a potential difference V. When a potential difference of V + 12.5Volts is used, an extra 45.50 microC of charge is stored. What is the capacitance C.
Two bars of identical mass are at 32 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J/(kg · C°).
An electric dipole is formed from 1.0nC charges spaced 3.00 mm apart. What is the electric field strength at the given points
If the mercury in this barometer is replaced with water, to what height does the column of water rise
find the magnitude and direction of the resultant force A + B that is applied to the stump. Specify the direction with respect to due east.
During physic lecture a lone ant makes it way across the classroom floor in two distinct stages starting from the wastebasket, Calculate the magnitude and direction of the ants resultant displacement vector
A railroad car of mass 2.58 104 kg is moving with a speed of 3.88 m/s. It collides and couples with three other coupled railroad cars, What is the speed of the four cars after the collision
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