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The graph shows the component of a force acting on an object, in newtons, versus the position of the object, in meters. Find the work done by the force over the specified intervals of displacement:
The string has a breaking-point force of 45 N. Illustrate what is the largest value v can have without the string breaking?
A body of mass M is initially at rest, Find the expression for the instantaneous power delivered to the body as a function of time
Note down that since each oscillator is attached to two "springs", and each "spring" is half the length of the interatomic bond, the effective interatomic spring stiffness for one of these oscillators is times estimated value given above.
Squaw Valley ski area in California claims that its lifts can move 48300 people per hour. estimate the maximum total power needed
A block of mass M=100 kg is moving down an incline that makes an angle of 30 degrees relative to the horizontal. How much work is done by friction during this process
An object with mass 4.0kg is executing simple harmonic motion, attached to a spring with spring constant 300N/m, Calculate the amplitude of the motion
Two bars of identical mass are at 30 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J / (kg • C°).
A disk of radius R = 9 cm is pulled along a friction less surface with a force of F = 15 N by a string wrapped around the edge. At the instant when d = 28 cm of string has unwound off the disk, what is torque exerted about the center of the disk.
A balsa-wood raft has the following dimensions: L=2.34m , W= 1.35m , H= 0.65m. if the mass of an average person is 72.5kg, how many people can the raft safely support
According to the universal law of gravitation the gravitational force on a small mass at the surface of the Earth is proportional to the product of the mass and the mass of the Earth and inversely proportional to the square of the distance between..
Two wires, each of length 1.2 m, are stretched between two fixed supports. Find the speed at which the individual waves travel on each wire
After being accelerated to a speed of 1.7×10 5 m/s, the particle enters a uniform magnetic field of strength 1.00 T and travels in a circle of radius 35.0 cm (determined by observing where it hits the screen as shown in the figure). The results of th..
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