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Jupiter is the largest planet in the solar system, having a massand radius that are, respectively, 318 and 11.2 times that of Earth. Suppose that anobject falls from rest near the “surface” of each planet and that the acceleration due to gravity remains constant during the fall. Each object falls the same distance before striking the“ground”. Determine the ratio of the time of fall on Jupiter to that on Earth.
a child tosses a stick into a stream. the stick moves downstream at a rate of 1.5 ms. how fast is the stick moving
A football is punted straight up into the air; it hits the ground 5.2 s later. With what speed did it leave the kicker's foot
Anemometers (pictured) are used to measure wind speeds. Wind striking the cups causes the assembly to rotate; a gauge measures the frequency of this rotation and translates the data into wind speed. calculate the number of turns in the coil wire
The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 10m/s, What were the original speeds of the two cars
Two point charges are located as shown in the figure, with charge q1 = +3.5 C at x = ?3.0 m, y = 0, How much work must be done on the electron to move it to the origin
A 6.0 ohm and 12.0 ohm resistor are connected in series to a 36V battery. what is the current through each resistor
When a horizontal force of 250N is applied to a 70.0 KG box, the box slides on a level floor, What is the magnitude of the acceleration of the box
For two concentric conducting rings, the inner radius of the larger ring is 12.0 cm and the outer radius of the smaller ring is 4.0 cm. The electric potential of the inner ring is 0 and that of the outer ring is 10 V.
Say you have a piston falling in a cylinder filled with water. The water is plumbed from the bottom of the cylinder to the top, What would the kinetic energy be at the end of a 20m descent
Two metal disks, one with radius R_1 = 2.55 cm and mass M_1 = 0.850 kg and the other with radius R_2 = 4.90 cm and mass M_2 = 1.57 kg, What is the total moment of inertia of the two disks
Earth's radius is 6.37 106 m. Illustrate by what percent does the Moon's gravitational pull on you increase?
Here on Earth you hang a mass from a vertical spring and start it oscillating with amplitude 1.9 cm. How long does it take for the mass to make one round trip
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