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Question: A 0.410-kg ball is dropped from rest at a point 4.30 m above the floor. The ball rebounds straight upward to a height of 1.90 m. Taking the negative direction to be downward, what is the impulse of the net force applied to the ball during the collision with the floor?
An insect that is 5.30 mm long is placed 8.9 cm from a converging lens with a focal length of 12.0 cm. find the angular magnification if the lens is close to the eye
A transformer with a turns ratio (secondary/primary) of 1:14 is used to step down the voltage from a 120-V wall socket to be used in a battery recharging unit.What is the voltage supplied to the recharger?
A 1.5 solid sphere (radius = 0.20 ) is released from rest at the top of a ramp and allowed to roll without slipping. The ramp is 0.50 high and 5.7 long. what is its rotational kinetic energy
What diameter has the tip of the second hand with 100mil/hr tangential speed? What diameter has the tip of the minute hand with 100mil/hr tangential?
A 60.0 gram golf ball is dropped from a height of 2.00 meters. how much energy did the ball lose
A block with mass m = 6.1 kg is attached to two springs with spring constants kleft = 30.0 N/m and kright = 48.0 N/m. The block is pulled a distance x = 0.28 m to the left of its equilibrium position and released from rest.
A late night time talk show host drops a watermelon from the top of the studio. If the speed of the watermelon is 21 m/s when it hits the ground, how tall is the studio?
A ball (m=1kg) is dropped from a height of 3 m. Assume no air resistance. After it bounces off the ground it only reaches a height of 2 m. What is the balls change in energy
1. consider an rc series circuit. you measurenbsprnbspto be 887 ? andnbspcnbspto be 831 nf. you set the signal
A 30-kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, How high does she rise during this interval
A container explodes and breaks into three fragments that fly off 120 degrees apart from each other, what is the speed of the other two fragments
What is true of the net force when 3 or more forces are in a state of equilibrium, and If a force (F) make an angle (theta) with the x-axis, what are the formulas used to the x and y components of this force
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