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A 0.700 kilogram ball is on the end of a rope that is 1.30 meter in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70 degree with respect to the vertical. Determine what is the tangential speed of the ball?
The earth travels with an approximate speed of 29.9 km/s (66 900 mi/h) in its journey around the sun. find the magnitude of its linear momentum
An ideal gas is enclosed in a cylinder that has a moveable pistonon top. The piston has a mass of 4500 g and an area of 6.50 cm2 and is free to slide upand down, keeping the pressure of the gas constant.
A tennis ball is struck at the base line of the court, 11.5 m from the net. The ball is given an initialvelocity with a horizontal component equal to 27.0 m/s at an initial elevation of 1.21 m.
The Moon is 3476 km in diameter and orbits the Earth at an average distance of 384,400 km. What is the angular size in radians of the Moon as seen from Earth
What is the direction of the object's acceleration after it is free. What is the magnitude of the objects acceleration.
A car traveling 87km/h strikes a tree. The front end of the car compresses, What was the average acceleration of the driver during the collision
A train is traveling up a 5.0 degrees incline at a speed of 2.65 m/s when the last car breaks free and begins to coast without friction. How far did the last car travel before momentarily coming to rest
Two identical small insulating balls are suspended by separate0.211 m threads that are attached to a common point on the ceiling. Each ball has a mass of 8.06E-4 kg. Initially the balls areuncharged and hang straight down.
A sky diver with an open parachute approches the ground with constant velocity. There is no wind to blow him fromside to side. Which statement is correct? An object is moving at a constant velocity. Whichstatement has to be false?
What is the angle between a wire carrying 8.30 A and the 1.20 T field it is in, if 50.0 cm of the wire experiences a magnetic force of 2.80 N, What is the force on the wire
Find out the altitude of the plane
A boy in a wheelchair (total mass 51.0 kg) has speed 1.40 m/s at the crest of a slope 2.40 m high and 12.4 m long. Find the work he did in pushing forward on his wheels during the downhill ride
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