1. A block of mass 3.0kg is pressed against a spring (k=3,100N/m) near the bottom of a board inclined at θ=28∘. When released, the block is projected up the incline and the spring expands by 14cm to its normal length. Using the law of conservation of energy, determine the maximum distance (d) traveled by the block up the incline.  a. in the absence of friction. b. when the coefficient of kinetic friction between the block and the board is 0.20

College Physics
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ISBN:9781305952300
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Chapter1: Units, Trigonometry. And Vectors
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1. A block of mass 3.0kg is pressed against a spring (k=3,100N/m) near the bottom of a board inclined at θ=28∘. When released, the block is projected up the incline and the spring expands by 14cm to its normal length. Using the law of conservation of energy, determine the maximum distance (d) traveled by the block up the incline. 

a. in the absence of friction.

b. when the coefficient of kinetic friction between the block and the board is 0.20

 

2. A 14,000kg tractor traveling north at 21km/h turns west and travels at 26km/h. Calculate the change in the tractor's

a. kinetic energy.

b. linear momentum (magnitude and direction).

!!!!!!!
d
Transcribed Image Text:!!!!!!! d
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