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A 200-g block is pressed against a spring of force constant kN/m until the block compresses the spring 10.0cm. The spring rests at the bottom of a ramp inclined at 60.0 degrees to the horizontal. Using energy considerations, decide how far up the incline the block moves before it stops (a) if the coefficient of kinetic friction is 0.400. and (b) if the ramp exerts no friction force on the block.
Three capacitors are connected in parallel. Each has plate area A = 1.00×10-2 m2 and plate spacing d = 9.00×10-4 m. What must be the spacing of a single capacitor of plate area A if its capacitance equals that of the parallel combination?
An emf is induced in a conducting loop of wire 1.46m long as its shape is changed from square to circular. Find the average magnitude of the induced emf
a spring is hung from the ceiling. a 0.45kg block is then attached to the free end of the spring. find the angular frequency of the block's vibrations
Point charges located at 3, 8, and 11 cm along the x - axis are represented in the figure (at 3cm +q, 8cm -2q, 11cm +q). What is the magnitude of the force on the charge
A crate is sliding down a ramp that is inclined at an angle of38 degrees above the horizontal. Find the acceleration of the moving crate
You pull a 12 kg sled across the floor with a strap that is at an angle of 31° above the horizontal with a force 76 N. Determine the magnitude of the acceleration of the sled, given that the coefficient of kinetic friction between the suitcase an..
A ball is thrown straight up in the air at an initial speed of 30 m/s. Using conservation of energy, find the maximum height of the ball
a 1600 kg car traveling at 17.5 m/s to the south collides with a 3900 kg truck that is initially at rest at a stop light. what is the final velocity of the two-vehicle mass
An elevator is able to raise 1,000 kilogram to a height of 20 meter in10 second. Calculate how much work does the elevator do
A particle known as a pion lives for a short time before breaking apart into other particles. Assume it is moving at a speed of 0.980c, and an observer who is stationary in a laboratory measures the particle's lifetime to be 5.00*10-8 s.
A 685 kg car stopped at an intersection is rear-ended by a 1470 kg truck moving with a speed of 12.5 m/s. find the final speed of both vehicles after the collision
For a standard production car, the highest road tested acceleration ever reported occurred in1993, when Ford RS200 evolution went from zero to 26.8 m/s in 3.275sec. Evaluate the magnitude of the cars acceleration
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