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A golf ball strikes a hard, smooth floor at an angle of 37.5 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.0424 kg, and its speed is 50.6 m/s just before and after striking the floor. What is the magnitude of the impulse applied to the golf ball by the floor? (Hint: Note that only the vertical component of the ball's momentum changes during impact with the floor, and ignore the weight of the ball.)
A horizontal plank of mass m and length L is pivoted at one end. The plank's other end is supported by a spring of force constant k. The moment of inertia of the plank about the pivot is .
question1as john is travelling along a straight inter-state highway he notices that the mile marker reads 245 km. john
The rectangular loop in the drawing consists of 75 turns and carries a current of I = 4.9 A. compute the magnitude of the net torque exerted on the loop
Two identical point charges (q = +1.50 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.570 m. Determine the speed of the test charge
One piece of 50 g ice at 0C is added to m grams of water at 25C. The system is insulated from outside and the exchange of heat is limited to ice and water only. find the total change in entropy
Illustrate what is the maximum vertical displacement that he ball reaches during its trajectory?
Block 1, of mass m1 = 0.700kg , is connected over an ideal (massless and frictionless) pulley to block 2, of mass m2, Find the mass of block 2
A string 3 meters long has a mass of 2 grams. one end of the string is attached to a wall, what is the speed of a transverse wave in this string
A crane lifts a 2000kg load 40 meters. what will be the work done by the load? If it takes 8 seconds to do this work what is the power output for the crane
an ac power supply puts out a voltage V = 170sin(2n60t) and is connected to a resistor R = 20 ohm. what is the average power in W dissipated in the resistor
Two long parallel wires carry currents of 3.77 A and 4.35 A. Find the separation distance of the wires expressed in millimeters.
A cat stands on a board of wood in a frozen frictionless pond. The mass of the cat is 4.0 kg, and the mass of the board is 3.0 kg. how far does the cat move in relation to the pond
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