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uniform thin rod of length L=2.5 m and mass 2 kg can rotate in a horizontal plane about a vertical axis through its center. The rod is at rest when a 0.3 kg ball of putty, moving in the horizontal plane of the rod, hits and sticks to one end. As viewed from above, the ball's velocity vector makes an angle of ? =70° with the rod. If the ball's speed just before impact is 100 m/s, what is the angular velocity of the rod immediately after the collision?
A convex mirror has a focal length of -39.0 cm. A 12.0 cm tall object is located 41.0 cm in front of this mirror. Using a ray diagram drawn to scale, determine the size of the image
A 2 cm long section of the patellar ligament stretches to 2.002 cm when it is subjected to a tensile force of 10,000 N. What is the strain in this segment of ligament
Scientist develop a new heat lamp to keep chicks warm in an incubator. It has a conversion efficiency of 6.5% of its input to radiant energy. how much radiant power does it output
A motorcycle starts with a constant acceleration of 3.0 m/s^2. At just that instant a buick with a constant speed of 20 m/s passes the motorcycle, How fast is the motorcycle travelling when it overtakes the buick
A board, with a mass m = 20.0 kg and a length of 4.00 m, is supported by two identical vertical connected to the ends of the board, What are the tensions in the two ropes
A glass rod is rubbed with a cloth, and the rod is left with a charge of +5.0nC. How many electrons did the cloth gain
If a camera with a 60 mm lens is to resolve two objects that are 3.0 mm from each other and both objects are 4.0 m from the camera lens, what is the minimum diameter of the camera lens
A person walks 25.0 degrees north of east for 3.1 km. How far would another person walk due north and due east to arrive at the same location.
An ocean liner leaves New York City and travels 13° north of east for 268 km. How far east and how far north has it gone? In other words, what are magnitudes of the components of the ship's displacement vector in the following directions.
A machine pulls a 40 trunk a distance of 2 m along a 40 degree incline at constant speed. what is the work done on the truck by the machines force
A 1300 {rm N} crate slides 13 {rm m} down a ramp that makes the angle of 30^circ with the horizontal. If the crate slides at a constant speed, how much thermal energy is created.
You throw a 25.0 N rock into the air from ground level and observe that, when it is 14.0 m high, find the rock's speed just as it left the ground
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