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A 1.10kg block is attached to a spring with spring constant 17N/m . While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 47cm/s .
What is the amplitude of the subsequent oscillations?
What is the block's speed at the point where x= 0.20 A?
A point charge +2.40 is held stationary at the origin. A second point charge -4.30 moves from the point = 0.175 , = 0 , How Much work is done by the electric force on q2
The drawing (not to scale) shows one alignment of the sun, earth, and moon. find the magnitude of the net gravitational force on the moon
The flywheel of an engine has a moment of inertia 2.40- {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
A ball is thrown straight upwith an initial velocity v0=4.9 m/s. Assume that the acceleration due to gravity is g=9.8 m/s^2 downward. How long does it take to come back to its inital position
How much work should Denise do to drag her basket of laundry of mass 6.0 kg a distance of 3.0 m along a floor, if the force she exerts is a constant 50.0 N at an angle of 70.0° with the horizontal.
A 75 kilogram man is riding in a 610 kilogram elevator. The person is standing on a scale reading 4 kilogram more than the real mass of the man. Find what is the tension in the cable of the elevator
A 750g, 50-cm-long metal rod is free to rotate about a frictionless axle at one end. What is the rod's angular velocity immediately after the blow
A battery delivers 2.54A to a resistor rated at 4.60? . When it is connected to a 2.15? resistor, it delivers 4.98A. Determine the battery's terminal voltage
Westerly winds coming off the Pacific Ocean rise over the Rocky Mountains, which rise to a height of approximately 15,000 ft (580 hPa). The air on the western side of the mountain range is at 800 hPa (T = 70F, r = 0.75), and will subside on the ea..
A particle with positive charge q = 1.28 x 10^(-18) C moves with a velocity = (3i + 2j - k ) m/s through a region where both a uniform magnetic field, Calculate the total force on the moving particle
A bus contains a 1440 kg flywheel ( a disk that has a 0.670 m radius ) and has a total mass of 9400 kg. Calculate the angular velocity of the flywheel
Assume that 36% of the body of a person floating in the Dead Sea will be above the water line, Find the density of the water in the Dead Sea
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