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A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 16.0 m long. The bowler hears the sound of the ball hitting the pins 2.90 s after the ball is released from his hands. What is the speed of the ball? The speed of sound is 340 m/s.
Determine the kinetic and potential energies when thedisplacement is one half the amplitude. For what value of the displacement does the kineticenergy equal the potential energy?
A dentist's drill starts from rest. After2.80s of constant angular acceleration, it turns at a rate of2.46104rev/min. Find the drill's angular acceleration
q1. a gadget of mass 17.52kg floats in space without motion. because of some internal malfunction the gadget violently
An electron and a proton are separated by 2.4 nm, What is the magnitude of the force on the electron
A small, spherical bead of mass 2.90 g is released from rest at t = 0 from a point under the surface of a viscous liquid. The terminal speed is observed to be vT = 1.76 cm/s.\ (a) Find the value of the constant b in the equation = ?b. (b) Find the ti..
A rock is tossed straight up with a speed of 29{\rm m}/{\rm s}. What is the rock's velocity as it hits the bottom of the hole
When a voltage difference is applied to a piece of copper wire, a 5.0 mA current flows. If the copper wire is replaced with a silver wire with twice the diameter of the copper wire
A 11.0kg box slides 4.0m down a frictionless30 degree incline, then collides with a spring whose springconstant is 180N/m. What is the maximum compression of the spring inmeters?
A thin, uniform rod is hinged at its midpoint. To begin with, one half of the rod is bent upward and is perpendicular to the other half. What is the angular velocity of the straight rod
Some enterprising physics students working on a catapult decide to have a water balloon fight in the school hallway. At what angle must they be launched to just graze the ceiling
A circular saw blade 0.200 m in diameter starts from rest. Find the angular acceleration and the angle through which the blade has turned in this time
how much time in seconds will it take the officer. A 63 resistor is connected in parallel with a 115.0 resistor. This parallel group is connected in series with a 19 resistor. The total combination is connected across a 15.0 V battery. Find the cur..
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