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You throw a clay ball at a hockey puck on ice. The smashed clay ball and the hockey puck stick together and move slowly.
a. Is momentum conserved in the collision? Explain.
b. Is kinetic energy conserved? Explain.
An RL series circuit has R= 78.0? and L= 2.00mH. The series combination is connected across a 165V(rms), 65Hz power supply. Find the impedance of the RLcombination
A bullet of mass 0.01 kg moving horizontally strikes a block of wood of mass 1.5 kg which is suspended as a pendulum. What was the velocity of the bullet just before it struck the wooden block
A plane flies from base camp to Lake A, 340 km away in the direction 20.0° north of east. After dropping off supplies it flies to Lake B, which is 240 km at 30.0° west of north from Lake A. Graphically find the distance and direction from Lake B to..
Two loudspeakers are placed 3.00meters apart, as shown in thefigure . They emit 494 Hz sounds, in phase. How far must the microphone be moved to the right to find thefirst intensity minimum
A football is kicked straight up into the air; it hits the ground 3.4s later. What was the greatest height reached by the ball? With what speed did it leave the kicker's foot
A hollow cylinder (hoop) is rolling on a horizontal surface at speed 5.5m/s when it reaches a 11?incline. How far up the incline will it go
The force of the wind on the sails of a sailboat is 390 Newton north. find the direction and magnitude of the acceleration of sailboat
A system with m = 0.026 kg , k = 35 N/m and b = 0.59 kg/s is driven by a harmonically varying force of amplitude 3.6 N. Find the amplitude of the steady-state motion
A 2.05kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0380m. What is the speed of the block when it has moved a distance of 0.0140m from its initial position
A piece of wood is 6.00 m long, 0.260 m wide and 0.060 m thick. Its density is 600kg/m cubed. What volume of iron ( P iron = 7.8 x 10 cubed kg/m cubed) must be fastened underneath the wood to sink it so that the top surface of the wood is just even w..
The place you get your hair cut has two nearly parallel mirrors 8.00apart. As you sit in the chair, your head is 2.50 from the nearer mirror. Looking toward this mirror, you first see your face and then, farther away, the back of your head. (The m..
The two vectors and in the figure below have equal magnitudes of 11.0 m and their angles are ?1 = 30° and ?2 = 110°. (a) Find the x and y components of their vector sum . (b) Find the magnitude of . (c) Find the angle makes with the positive x axis.
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