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In a football game, a receiver is standing still, having just caught a pass. Before he can move, a tackler, running at a velocity of +3.3 m/s, grabs him. The tackler holds onto the receiver, and the two move off together with a velocity of +2.3 m/s. The mass of the tackler is 120 kg. Assuming that momentum is conserved, find the mass of the receiver.
The crankshaft in a race car goes from rest to 3360rpm in 2.0s . What is the crankshaft's angular acceleration
q1. a solid rock is suspended in air by a spring scale. the rock has a mass of 2.50 kg. when the rock is dunked in
The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of 601 mW/m^2
q1. a cylindrical container with a cross-sectional area of 65.2 cm2 holds the fluid of density 846 kgm3. at the bottom
A small block of mass 0.97 kg slides without friction on a horizontal table. Initially it moves in a circle of radius R0 = 0.52 m with a speed 1.3 m/s. What is the final speed of the block
A block of mass 1.60 kg is connected to a spring of spring constant 149 N/m which is then set into oscillation on a surface with a small coefficient of kinetic friction. find the total energy was lost in the first full oscillation
What is the electric field strength at midpoint between two disks.What is the electric field strength a point on axis 5.0 cm from one disk between them.
A conductive loop of radius r = 1.0 cm falls towards a stationary solenoid of 100 turns per cm carrying a current of I = 2.00 A. What is the direction of the current induced in the loop
A car m = 2500 kg is traveling at a constant speed of v = 33 m/s. The car experiences a drag force (air resistance) of Fd = 250 N. What is the power in horsepower
A Cepheid variable in a nearby galaxy looks 106 times fainter than an identical Cepheid in the Milky Way. How far away is the nearby galaxy
The x position of (a) is 8.6 m. The y position of (b) is 8.68 m. The wave travels at a speed of 3.2 m/s. What is the amplitude of the wave?
A 46g marble moving at 2.3m/s strikes a 24g marble at rest. What is the speed of the first marble immediately after the collision
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