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A 110 g hockey puck sent sliding over ice is stoppedin 14 m by the frictional forceon it from the ice.
(a) If its initial speed was 7.0 m/s, what is the magnitude of the frictional force?
(b) What is the coefficient of friction between the puck and theice?
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0437 s, determine the vertical components of the launch velocity
Suppose an electron is accelerated from rest through a difference in potential of V = 4.6 V. Find the speed of the electron after the collision
A particular wire has a diameter of 1.7 mm and length of 1.3 m. If its resistance is 15 m?, what is the resistivity of the metal from which it is made
two gliders a and b with mass 0.50 kg and 0.30 kg respectively move toward each other at 2.0 ms on frictionless linear
A golf ball strikes a hard, smooth floor at an angle of 24.7 ° and, as the drawing shows, rebounds at the same angle. compute the magnitude of the impulse applied to the golf ball
A series RCL circuit driven at angular frequency w = 780 rad/s has a capacitive reactance XC = 920 ohms, What is the average power consumption of the circuit
consider a uranium nucleus to be a sphere of radius r 7.4x10-15m with a charge of 92e distributed uniformly throughout
A standing wave in a pipe with both ends open has a frequency of 680 Hz. The next higher harmonic has a frequency of 1020 Hz, How long is the pipe
A woman rides a carnival Ferris wheel at radius 16.0 m, completing 4.40 turns about its horizontal axis every minute. What are (a) period of the motion, and the magnitude of her centripetal acceleration at (b) highest point and (c) lowest point.
a person can be killed if a current as small as 50 ma passes near the heart. an electrician is working on a humid day
a beam of light in air is incident on the surface of a slab of fused quartz. part of the beam is transmitted into the
A uniform 34.5-kg beam of length = 4.95 m is supported by a vertical rope located d = 1.20 m from its left end, Find the force that the column exerts on the right end of the beam
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