Calculate how high will it bounce

Reference no: EM13720439

Question 1: The spring is placed between the wall and the 40 lb block. If the block is subjected to a 250 lbs force as shown, determine its velocity when S = 6 inches. When S = 0, the block is at rest and the spring is uncompressed. The coefficient of friction between the block and the ground is µ_k = .1

Question 2: When a ball is released from rest at a height of 5 ft above the floor, it bounces to a height of 3.5 feet. If that same ball is thrown at the floor with a velocity of 30 ft/s and is released at 3.5 feet above the floor, how high will it bounce? The ball weighs 1.25 lbs.

1049_fig 1.png

Question 3: Bar AS rotates with a counterclockwise angular velocity of 10 rad/s. At the instant shown, what are the angular velocities of bars BC and CD?

754_fig 2.png

Question 4: (a) Determine the velocity of the slider block when t =2 seconds, if the rotation of the wheel is governed by the equation shown.

(b) Find the angular velocity of link BC at this moment.

Reference no: EM13720439

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