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A cyclist is moving down a steep hill that has a grade of 20%. The rider is traveling at 3.5 m/s. The combined weight of the rider and cycle is 800N and the dynamic coefficient of friction between the tires and the road is 0.7. If the rider suddenly applies the brakes and the wheels stop rotating and begin sliding relative to the road, then how far does the cycle travel until it stops?
A ball of mass 0.220 kg that is moving with a speed of 6.3 m/s collides head-on and elastically with another ball initially at rest. Calculate the mass of the target ball
A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the bottom of its path it is moving at a speed v = 2.4 m/s and the tension in the rope is T = 14.9 N. How long is the rope
A 50g ball of clay traveling at speed v0 hits and sticks to a 1.0kg block sitting at rest on a frictionless surface. what os the speed of the brick after the collision
When a rifle is fired, the person firing the rifle absorbs the recoil. Consider an Olympic biathlete firing a competition rifle. What is the magnitude of the force felt by the athlete
a hydraulic jack has an in[put piston area of 2 cm^2 and an output piston area of 18 cm^2. What will be the pressure on the oil
A block of mass m=7.10 kg slides down a 30 degree incline which is 3.60 m high. Determine the speeds of the two blocks after the collision
A child ties a rock to a string and whirls it around in a horizontal circle. find the period of its uniform circular motion
The coil in an electric generator has 100 turns and an area of 2.5e-3 m2. Find the magnet strength required for this generator
The drawing shows four insulated wires overlapping one another, forming a square with 0.050-m sides, Calculate the current I.
2.50 moles of a monatomic ideal gas expand adiabatically from an initial temperature of 300K and an initial volume of 80.0 L to a final volume of 150.0 L
Sodium light of wavelength 589nm falls on a diffraction grating and its first-order peak on a screen 60.0cm away falls 3.32cm from the central peak. How many lines per cm does the grating have
A block starts from rest at the top of a 30.0° inclined frictionless plane and after travelling 1.00 m encounters a spring, how much would the block compress the spring
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