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A pendulum is made by tying a 550g ball to a 52.0cm -longstring. The pendulum is pulled 23.0 degrees to one side, then released.
a) What is the ball's speed at the lowest point of its trajectory?
b) To what angle does the pendulum swing on the other side?
A 1.50 ? 103-kg car starts from rest and accelerates uniformly to 16.5 m/s in 12.4 s. Find the average power developed by the engine
A solenoid has diameter 2.3cm, lenth 33cm, and inductance 1.34mH, What's the energy stored in the soleniod when it carries a 5.8A current
A space vehicle is coasting at a constant velocity of 15.1 m/s in the +y direction relative to a space station. find the direction of the vehicle's velocity relative to the space station
Suppose that you wish to fabricate a uniform wire out of 1.00 g of copper. Assume the wire has a resistance R = 0.700 , and all of the copper is used. Illustrate what will be the length of the wire?
The two forces in each pair could have different physical origins (for instance, one of the forces could be due to gravity, and its pair force might be due to friction or electric charge).
An electron is released a short distance above Earth's surface, the first electron just great enough to cancel the gravitational force on it, How far below the first electron is the second
How much farther from the tower does the cannonball from the higher cannon land than cannonball from the lower cannon.
Determine the new planets mass density to earth mass density
Find the wavelengths of these extremes at a temperature. find out the force exerted by the man on the rope, and the work done in dragging the box over a distance of 15m.
Find the capacitance of a parallel plate capacitor that has two square plates both having a side length of 6 cm, where these plates are seperated by 15 mm
A 1000kg car traveling at a speed of 40m/s skids to a halt on wet concrete where the friction force is 6000N
Two heavy pendula of mass m are suspended from strings of length l inside a railroad car of mass M that can roll freely on horizontal tracks (ignore the moment of inertia of the wheels).
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