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a 200kg ball is shot from a 2200kg cannon horizontally and positivly at 200m/s. If the cannon is on a frictionless surface and can recoil freely what is the cannons speed, in respect of Earth.
Determine the energy of the incident electron. How many coulombs of protons and electrons are in each penny.
Find out the lengths of acceleration and deceleration phases
A hockey player got checked into the boards and was knocked unconscious. It takes 95N of force to drag the hockey player across the ice at a constant speed.
A parallel-plate capacitor has an area of 5.15 cm2, and the plates are separated by 1.05 mm with air between them. It stores a charge of 337pC. What is the potential difference across plates of the capacitor.
Find the change in internal energy using first law of thermodynamics.
A ball is held on an incline at the height of 72 cm. it is then released so that the ball rolls down the incline. At the bottom of the incline there is a loop where the ball rolls around in. If the loop is 62 cm high at its highest point what is the ..
When G was first measured by Henry Cavendish, newspapers of the time hailed his experiment as "weighing Earth experiment." And Why.
A uniform plank of length 4.7m and weight 204 N rests horizontally on two supports, with 1.1 m of plank hanging over the right support. To what distance x can a person who weighs 445N walk on the overhanging part of the plank before it just begins ..
52 cm3 of gasoline are mixed with 40 cm3 of water. What is the average density of the mixture
When the emf for the primary of a transformer is of amplitude 7.10 V, the secondary emf is 85.2 V in amplitude. What is the transformer turns ratio
A uniform plank of length 5.5 m and weight 205 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support .To what distance x can a person who weighs 447-N walk on the overhanging part of the plank before it just ..
A merry-go-round starts from rest and accelerates uniformly over 23.5 s to the final angular velocity of 6.55 rev/min.
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