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Question: A 2.0 kg projectile if fired with initial velocity components Vox= 30 m/s and Voy= 40 m/s from a point on the earth's surface. Neglect any effects due to air resistance.
What is the kinetic energy of the projectile when it reaches the highest point in its trajectory?
A dockworker applies a constant horizontal force of 73.0 N to a block of ice on a smooth horizontal floor. The frictional force is negligible. If the worker stops pushing at the end of 5.50 s, how far does the block move in the next 5.90 s
A victorious 92 kg hockey player moving initially at a spped of 3.2 m/s skates by the trophy table, How heavy is the cup
A solenoid is wound with 970 turns on a foam core 4.0 cm in diameter and 50 cm long. Calculate the induced emf that this coil produces
A mass m=4.8kg hangs on the end of a massless rope L=1.92m long. The pendulum is held horizontal and released from rest. what is the maximum mass that can be used
A 72.3-kg man is at rest on ice skates. A 0.178-kg ball is thrown to him. How fast is the man moving just after he catches the ball
Explain how long does it take the engine to lift the crate a vertical distance of 18.7 m? Friction in the system is negligible.Please provide step-by-step method to solving the problem.
A 6.03-g bullet is moving horizontally with a velocity of +342 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). What is the velocity of the second block after the bullet imbeds itself
Your car has stalled and you need to push it. You notice as the car gets going that you need less and less force to keep it going. How much work does the force of gravity do on the ball
Two C1 = 3.7 μF, C2 = 18.7 μF are charged individually to V1 = 14.2 V, V2 = 7.0 V. Calculate the final potential difference across the plates of the capacitors once they are connected
A helicopter propeller blade starts from rest and experiences a constant angular acceleration of 17.0 rad/s2. Find the speed of a point on the blade 4.95 m from the axis of rotation
A certain mass, when hung from a certain spring, causes the spring to stretch by an amount h compared to itsequilibrium length. If the mass is displaced vertically from thisequilibrium, it will oscillate up and down with aperiod Tosc.
Two packing crates of massesm1= 10.0kg and m2=7.00 are connected by a light string that passes over a frictionless pulley, Find the acceleration of the 7.00 kg crate
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