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A 299-kg motorcycle is accelerating up along a ramp that is inclined 31.6° above the horizontal. The propulsion force pushing the motorcycle up the ramp is 3164 N, and air resistance produces a force of 227 N that opposes the motion. Find the magnitude of the motorcycle's acceleration.
104.05 J of energy are transferred to a system in the form of heat while the internal energy decreases by 57.65 J. How much work is done by the system
State the direction as an angle with respect to the +x axis.
A flat circle of radius 20 cm is placed in a uniform electric field of magnitude 6.6×102N/C, What is the electric flux through the circle when its face is at 30 to the field lines
The electric motor of a model train accelerates the train from rest to 0.540 m/s in 31.0 ms. Find the average power delivered to the train during its acceleration
If the lamp's 215 W output is focused on a person's shoulder, over a circular area 25.0 cm in diameter, Find the peak magnetic field strength
Put A 220 lb man presses the brakes with a force of 28 lbs/in2 to stop his car while traveling at a speed of 48 mi/hr. find the amount of deceleration experienced by him
a vector A has a magnitude of 40.0 m and points in a direction 20.0 degrees below the positive x axis. find the magnitude and direction of the vector C
The centripetal acceleration in a horizontal centrifuge is 75 g's when it is rotating at 2000 rpm, What is the radius of the centrifuge
A 70 m3 incompressible box is completely submerged in a fluid. What volume of fluid is displaced by the box if the fluid is air? The density of air is 1.2 kg/m3
A tennis player, when performing a serve, applies an average force to a tennis ball of 525 N to a 55 g ball. What is the speed of the ball as it leaves the racket
a 12.0 g plastic ball is dropped from a height of 2.50 m, How much mechanical energy was lost during the balls fall
A camera lens has a focal length of 215 mm, How far from the lens should the subject for the photo be if the lens is 21.9 cm from the film
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