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A skier starts from rest at the top of a frictionless incline of height 20.0 m, as shown in the figure. As the bottom of the incline, the skier encounters a horizontal surface where the coefficient of kinetic friction between skis and snow is 0.216. Find the horizontal distance the skier travels before coming to rest if the incline also has a coefficient of kinetic friction equal to 0.216. (The incline makes an angle ? = 20.0° with the horizontal.)
What is the acceleration in m/s of a 0.001kg bullet if the force of recoil gives an acceleration of 4.390 m/s? The gun has mass of 0.20 kg.
Suppose a muon produced as a result of cosmic ray colliding with a nucleus in the upper atmosphere has a velocity v = 0.9500c. What distance is this in the muon's frame
A baseball is bunted down the third-base line leaving the bat from a height of 0.850m with an initial velocity of 4.00m/s at an angle of 36.87° above horizontal, what is the baseball's tangential acceleration at maximum height
An arrow is shot from the top of a castle wall. It hits the ground 543 m away from the base of the wall with a velocity of 79.0 m/s at an angle of 29.7 degrees below the horiztonal
A 58 ice cube can slide without friction up and down a 28 slope. The ice cube is pressed against a spring at the bottom of the slope, When the ice cube is released
An iron casting containing a number of cavities weighs 16967.7 N in air and 13515.2 N in water. What is the total volume of all the cavities in the casting
If a toaster is plugged into a source of alternating voltage with an rms value of 67 V, an rms current of 3.06 A occurs in the heating element. What is the average power input to the toaster
A magnetic field is oriented at an angle of 39 to the normal of a rectangular area 4.8cm by 7.7cm If the magnetic flux through this surface has a magnitude of 4.6×10-5 T-m2 ,
A 0.464-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
Chip rolls a ball down an incline (without slipping) at the same time Emmanuel slides a frictionless block with the same mass down the incline
A coiled telephone cord forms a spiral with 74.0 turns, Determine the self-inductance of one conductor in the unstretched cord
The starter motor of a car engine draws a current of 160A from the battery. How much charge passes through the starter motor
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