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Adult cheetahs, the fastest of the great cats, have a mass of about 7 kg and have been clocked at up to 70 mph 31m/s.
A. How many joules of kinetic energy does such a swift cheetah have?
B. By what factor would its kinetic energy change if its speed were doubled?
After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 5.45km below the surface, What's the water pressure at that depth
A span of a bridge is 200.00m at 10.0c Its length increases to 200.25m when the temperature increases to 40.0c. what is the coefficient of thernmal expansion of the material
A student at another university repeats the experiment you did in lab. What is the kinetic energy (in joules) of the target ball just after it is struck
A 1300kg sports car accelerates from 0m/s to 26m/s in 13s. What is the average power of the engine?
The angular momentum of Earth is constant
An observer, whose eyes are 1.92m above the ground, is standing 31 m away from a tree. The ground is level and the tree is growing perpendicular to it. The observer's line of sight with the treetop makes an angle of 21° above the horizontal. How t..
A w1 = 250 N bucket is lifted with an acceleration of a = 2.20m/s^2 by a w2 = 115N uniform vertical chain. Find the tension in the bottom link of the chain
A 6.0-ft tall football player stands in front of a plane mirror. How tall must the mirror be so that the football player can see his full-sized image
A m = 10 kg block is released from a height of h = 3 m. It travels down a frictionless circular shaped ramp to the bottom where it encounters a rough surface. Find the coefficient of kinetic friction for the rough surface
A net force that is quadratically increasing in time is applied to an object. What is time dependence of the object's kinetic energy
Describe in words how you would go about calculating the work done by the electric field on the electron as it travels along its trajectory.
A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. compute maximum inductance of the tank circuit
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