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Driving home from school one day, you spot a ball rolling out into the street (see the figure ). You brake for 1.40 , slowing your 950- car from 16.0 to 9.50 . What was the magnitude of the average force exerted on your car during braking? What was the direction of the average force exerted on your car during braking? How far did you travel while braking?
A potter's wheel is rotating around a vertical axis through its center at a frequency of 1.5rev/s. find the frequency of the wheel after the clay sticks to it
A 0.410kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 22.0N/m . The block rests on a frictionless surface. A 6.00×10^2kg wad of putty is thrown horizontally at block, hitting it with a s..
A high diver leaves the end of a 5-m-high diving board, and strikes the water 1.3 s later, 3 m beyond the end of the board. determine the velocity with which she enters the water
In a head-on collision, a car stops in 0.16 from a speed of 28. What force is applied to the driver by his seat belt during that fraction of a second
a wire is carrying a current in the -x direction. What is the direction of the uniform magnetic field such that the magnetic force is maximized
A bicyclist rides 4.9 km due east, while the resistive force from the air has a magnitude of 3.4 N and points due west. Find the work done by the resistive force
What is the fractional decrease in pressure when a barometer is raised 35 m to the top of a building? (Assume that the density of air is constant over that distance.)
What is the amplitude of the subsequent oscillations. A catcher "gives" with a baseball when catching it. If the baseball exerts a force of 519 N on the glove, so that the glove is displaced 10.0 cm, how much work is done by the ball.
A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 204 N and is 3.1 m long. What is the tension in each rope when the 702-N worker stands 2.10 m from one end?
The intensity (in W/m2) of one sound is 7.12 times as great as the intensity of another sound. Relative to the quieter sound
Determine the new planets mass density to earth mass density
in a hydraulic system comprised of a reservoir and a pump which is 4 ft above the oil level what would be the pressure
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