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Karen and Randy are playing with a toy car and track. They set up the track on the floor as shown in Figure. where the apparatus on the far left is used to launch the car forward h pressing down un the top portion. After the car is launched. it follows the track and continues, leaving the track at an angle of 35 degree with respect to the floor, at a height of 0.35 m above the floor. If the car has a mass of 130 g and it leaves the track with a speed of 3.85 m/s, what is the maximum height reached by the car, relative to the floor? Use conservation of energy to solve this problem. Ignore the effects of friction and air resistance.
A circuit containing an inductor and a capacitor in series is designed to have a resonant frequency of 3894 Hz. if the inductance 1.11 mH, What is the required capacitance of the capacitor
A device known as Atwood's machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. calculate the magnitude of their acceleration
The radius of the Earths very nearly circular orbit around the sun is 1.5x10^11 m, find the magnitude of the earth velocity as it travels around the sun
neon sign requires 12,000 V to operate which is supplied by a transformer. If the primary on the transformer has 10 turns and is connected to a 120-V outlet, how many turns does the secondary have
How does the force on the layer compare with gravitational force on the layer if the layer has a radius of 100 solar radii, and a mass of .1 solar mass and the rest of the star has a mass of 1 solar mass
A crate of mass 10.6 kg is pulled up a rough incline with an initial speed of 1.52 m/s. How much work is done by the gravitational force on the crate
A 75.0kg skydiver can be modeled as a rectangular "box" with dimensions 18.0cm x 47.0cm x 178cm. What is his terminal speed as he falls feet first
The velocity in a circular channel that is 6 ft. in diameter and is half full of liquid is 5.62 fps. When the depth of the liquid is 2.70 ft., what is the velocity? 5.34 fps. 4.70 fps, 5.05 fps, 4.30 fps.
A potter's wheel of radius 0.26 m is turned on at t = 0 and accelerates uniformly. Find the angular acceleration and the total angular displacement of the wheel during this time
A solid object is made of two materials, one material having density of 2 000 kg/m3 and the other having density of 6 000 kg/m3. what is its average density
In a very big closed tank, the absolute pressure of the air above the water is 6.41 x 105 Pa. Calculate the speed at which the water leaves the nozzle
A student at the top of a building throws a ball straight upward with an initial speed v0. How do the final velocities of the balls compare when they reach the ground
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