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A 1.2-lb block B slides without friction inside a slot cut in arm OA which rotates in a vertical plane at a constant rate, theta = 2 rad/s. At the instant when theta = 30 degrees, r = 2 ft and the force exerted on the block by the arm is zero.
Determine, at this instant,
(a) the relative velocity of the block with respect to the arm,
(b) the relative acceleration of the block with respect to the arm.
A 0.200 kg block is placed on a vertical spring (k = 5.00x10^3) and pushed downward, compressing the spring 0.100 m. As the block is free, it leaves the spring and continues to travel upward. What height above the point of release would block reac..
you are given a spherical mirror and wish to determine its properties. you place an object on its axis 39.30 cm in
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A 2.5 kg solid sphere (radius = 0.10m) is released from rest at the top of a ramp and allowed to roll without slipping. obtain its translational kinetic energy
Coherent sources A and B emit electromagnetic waves with wavelength 2.00 \rm cm. What is the phase difference at P between these two waves
determine the normal reaction at the roller a and horizontal and vertical components at point b for equilibrium of the
An object is placed at a distance of 28 cm from a thin convex lens. The lens has a focal length of 9 cm. what are the values of the image distance and lateral magnification
a small object a electrically charged creates an electric field. at a point p located 0.250m directly north of a the
A car travels a straight road at 120 km/h for 30 min. then at 90 km/h for 10 min. Find the average velocity and average speed for the entire trip
The plane of a 5.60cm by 8.40cm rectangular loop of wire is parallel to a 0.220T magnetic field, and the loop carries a current of 6.45A . What torque acts on the loop?
An ice sheet with area 10:0 m x 10:0 m and uniform thickness of 1.20 m floats in the Arctic Ocean. Assume that the density of ice is 917 kg/m3, Find the buoyant force acting on the ice sheet
A ball rolls horizontally off the edge of a tabletop that is1.80 meter high. Compute how long was the ball in the air
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