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A 100 m long pendulum having a small marble at the end swings 23.83 degrees from the lowest position.
1. How many cm is the marble elevated?
2. How many inches is the marble displaced horizontally?
federal statute requires that a car's bumper be designed to withstand a 2.50 mph (1.12m/s) collision with an immovable object without damage to the body of the car. Calculate the average force on a bumper
An antifreeze solution is made by mixing ethylene glycol (?= 1116 kg/m3) with water. determine the volume percentage of ethylene glycol in the solution
a compressed air cylinder stands 100 cm tall and has an internal diameter of 20.0 cm . at room temperature the pressure
three identical conducting spheres form an equilateral triangle of side length d 17.5 cm. the sphere radii are much
suppose you warm up 540 grams of water about half a liter or about a pint on a stove and while this is happening you
A converging lens of focal length 18 cm is 30 cm to the left of a diverging lens of focal length - 6 cm. a coin is placed 12 cm to the left of the converging lens. Find (a) location and (b) magnification of the coin's final image.
An infinite non conducting sheet has a surface charge density σ = 8.00 pC/m2. Obtain how much work is done by the electric field due to the sheet if a particle of charge q = +1.60 ×10-19 C is moved from the sheet to a point P at distance d = 3.58 cen..
A 625 kg woman climbs a staircase that rises at 48 degrees above the horizontal and is 4.25 m long. How much work has gravity done on her as she climbed the stairs
A rock is thrown vertically upward from ground level at time t = 0. At t = 1.9 s it passes the top of a tall tower, What is the height of the tower
A ball on the end of a string is whirled around in a horizontal circle of radius 0.25 centimeter. The plane of the circle is 2.0 meter above the ground. Find the magnitude of the centripetal acceleration of the ball
When 2.1 mol of oxygen (O2)gas is heated at constant pressure starting at 0°C, how muchenergy must be added to the gas as heat to quadruple its volume? (The molecules rotate but donot oscillate.)
A 2 cm long section of the patellar ligament stretches to 2.002 cm when it is subjected to a tensile force of 10,000 N. What is the strain in this segment of ligament
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