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Q1. A 430g block slides along a frictionless surface at a speed of 0.35 m/s. it runs into a horizontal massless spring with spring constant 47 N/m that extends outward from a wall. It compresses the spring, and then is pushed back in the opposite direction by the spring, eventually losing contact with the spring. The amount of time (in s) that the block stays in contact with the spring is?
Q2. You are driving to grocery store at 15 m/s .You is 140 m from an intersection when the traffic light turns red. Suppose that your reaction time is 0.70 s. and that your car brakes with constant acceleration.
How far are you from the intersection while you begin to apply the brakes?
Find out that the value of the gravitational field strength
Two charged bodies exert the force of .145N on each other. If they are moved so that they are one fourth as far apart, what force is exerted.
An electron is projected vertically upward with a speed of 1.65x10^6 m/s into a uniform magnetic field of 0.160 T that is directed horizontally away from the observer. What would the radius of the circle be.
What is the dissimilarity between sprinters and nonathletes
How much work did the movers do (horizontally) pushing a 150- crate 10.2 across a rough floor without acceleration, if an effective coefficient of friction was 0.50.
A horizontal uniform bar of mass 2.7 and length 3.1 is hung horizontally on two vertical strings. String 1 is attached to the end of bar, and string 2 is attached a distance 0.7 from other end. A monkey of mass 1.6 walks from one end of the bar to th..
Write x-versus-t equations of motion
A lens placed at the origin with its axis pointing all along the x axis produces a real inverted image at x=-24cm that is twice as tall as the object. What is an image distance.
A spring with spring constant 14 hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 3.0 and released. The ball makes 17 oscillations in 16 seconds. What is it the mass of ball.
What is acceleration of the elevator
Compute direction of Sparkys net displacement
What is current flowing through the collider
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