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A force of magnitude 880.0N stretches a certain spring by 0.190m from its equilibrium position. What is the force constant of this spring? How much elastic potential energy is stored in the spring when it is stretched 0.400m from its equilibrium position.How much elastic potential energy is stored in the spring when it is compressed by 0.400m from its equilibrium position? How much work was done in stretching the spring by the original 0.190m ?
Shaving/make-up mirrors typically have one flat and one concave (magnifying) surface. What is the focal length of the mirror
q1. the period of oscillation of an object in a frictionless tunnel running through the earth is 84.3 min. what is the
The moment of inertia of a uniform ring is I (r) = M (r) * R^2 (r), where M (r) and R (r) denote the mass and radius of the ring. Compute the moment of inertia of this disk
A comet of mass 1.3 1010 kg moves in an elliptical orbit around the Sun. Its distance from the Sun ranges between 0.545 AU and 79.0 AU. What is the eccentricity of its orbit
Influenced by the gravitational pull of a distant star, the velocity of an asteroid changes from from +21.0 km/s to ?17.8 km/s, What is the total change in the asteroid's velocity
Two identical objects each hold a net charge of q = 9e. If the gravitational force between the two objects exactly cancels the electrostatic force between the objects, what is the mass of each object
A baseball is bunted down the third-base line leaving the bat from a height of 0.800m with an initial velocity of 8.00m/s at an angle 30 degrees above the horizontal. What is the speed of the ball just before it hits the ground
A 31.5 cm focal length converging lens is 20.0 cm behind a diverging lens. Parallel light strikes the diverging lens. What is the focal length of the diverging lens
A loudspeaker of mass 23-{rm kg} is suspended a distance of h = 1.80- {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.10- {rm m}. What is the tension T in each of cables.
Jessica's weight is 540 newtons. According to the Third Law, if the Earth pulls on Jessica with a force of 540 N, then Jessica pulls on the Earth with a force of 540 newtons that acts in the opposite direction.though , if Jessica stumbles while rol..
Sixty identical drippers, each with a hole of diameter 1.00 mm are used to water a yard. how fast the water is coming out the drippers
A negative charge moves in the direction of a uniform electric field. Does the charge move to a position of higher or lower potential
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