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A winch at point B is used to slide a box up a chute CD in a warehouse.The box wieghs 530lb and fits loosely against the walls of the chutes and slides with no friction. For the position of the box given, determine the force in the cable and the reactions between the box and the chute. The chure is parallel to the xz plane. Neglect the size of the box and the winch. The box is 1/6 the distance up the chute from point C
T ab =?R y = ?R n =?
A 206 kg cart runs into the rear end of a 102 kg cart that is stationary. What is the speed of the moving cart before the collision
The rms speed of the molecules of a gas is 200 m/s at a temperature 300 K. What is the rms speed of the molecules at 500 K
carnival ride has a large horizontal steel disc of radius 5m from which cars are suspended by a 6m long chain. the disx is rotated about its axis so that the cars swing out and revolve in a circular path. at operation speed the angle of the chains ..
A rocket of total mass 3180 kg is traveling in outer space with a velocity of 115 m/s toward the Sun. how much mass must be expelled
A cylindrical lead rod with a diameter of 2.54 cm and a length of 76.2 cm is initially at a temperature of 20.0 C. After reaching equilibrium, what is the final temperature of the rod and the mercury
As an electron moves through a region of space, its speed decreases from 6.40 106 m/s to 2.20 106 m/s. Did the electron move to a higher potential or a lower potential
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 13 m/s at an angle 54 degrees
The difference in potential between the accelerating plates of a TV set is about 26000 V. If the distance between these plates is 1.5 cm, find out the magnitude of the uniform electric field in this region.
With a quick flick of her wrist, an Ultimate Frisbee player can give a Frisbee an angular velocity of 5.00 revolutions per second. How much time does this process take
1200 kg car at velocity 25m/s brakes and stop moving after 40m. What is the coefficient friction between the tires and road
Integrated circuits are manufactured in vacuum chambers in which the air pressure is 7.00x10^-11 mm of Hg. What is the mean free path of a molecule
A heat engine operates in a Carnot cycle between 84.0°C and 345°C. It absorbs 20,800 J of energy per cycle from the hot reservoir. How much energy does it expel in each cycle by heat
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