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Three blocks are in contact and sitting on frictionless table. The first blog has a mass m1=1.2 KG, the second block has mass m2= 2.5 KG, and the third luck has mass m3 = 3.1 KG. An external force is applied causing three blocks to move together with the constant uniform acceleration od 1.9 m/s^2. What is the magnitude of the force exerted by the third block on the second block?
A steel ball of mass .5 kg is fired vertically up from the edge of a building 20 m high with an initial speed of 10 m/s. find the average resistance force that sand exerts on the ball
A small conducting spherical shell with inner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radius d. The inner shell has the total charge of -1q and outer shell has a total charge..
Two tug boats are towing a ship. Each exerts a horizontal force of 5 tons and the angle between their towropes is 90 degrees. What net force is exerted on the ship?
Find the normalization constant co and the probability of finding the particle in the interval ±a//5. What is the mean momentum?
Two speakers face each other and radiate coherently and in phase. The speakers are separated by a distance of 5.50 m, What is the wavelength of the sound
A 0.5 kg lump of clay is moving at 2 m/s in the +x direction of some arbitrarily chosen coordinate system. What is the velocity of the pair after the collision
a 150g bullet is fired from a rifle with a barrel of length 65cm the bullet starts from rest at one end of the barrel, find the speed of the bullet as it leaves the rifle
A 0.5 kg brick is dropped from a height of 9.0 m. It hits the ground and comes to rest. What is the magnitude of the impulse exerted by the ground on the brick
A solid, horizontal cylinder of mass 10.5 kg and radius 1.14 m rotates with an angular speed of 7.23 rad/s about a fixed vertical axis through its center. Determine the final angular speed of the system
a 20 kg mass sits on an inclined plane with friction making an angle of 50 degrees with respect to the horizontal. calculate the frictional force required to keep the mass from sliding down the incline
An emf is induced in a conducting loop of wire 1.46m long as its shape is changed from square to circular. Find the average magnitude of the induced emf
The gun on a battleship is at the surface of the water, and fires a 500 kg projectile with a muzzle velocity of 400 m/sec, What is the maximum range
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