7. A ball is dropped onto a step at point A and rebounds with a velocity v. at an angle of 15° with the vertical. Determine the value of v, knowing that just before the ball bounces at point B its velocity vg forms 15° an angle of 12° with the vertical. Also determine the velocity of B, vB and the distance d. A 12° 0.2 m VR B d

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A: Given:vA=60 m/svB=70 m/ss=100 m

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A: GivenV0=10m/sθ=30°g=9.81m/s2

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A: tension in the cord

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A:

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A: Write the given data. v0x=v0cosθv0y=v0sinθx=20 my=25 m

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A:

Q: Q4) Determine the velocity of cart A if cylinder B has a downward velocity of 2 m/sec at the instant…

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A: First we will find velocity after collision using conservation of momentum principle   m1v1i+m2v2i…

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Q: Calculate the magnitude of the velocity and the  angular direction of the block and the bullet…

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Q: Blocks A and B have weights of 100 lb and 200 lb, respectively, and are moving initially with the…

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Q: image

A:

Q: The block A starts at y=0 and then moves upward due to the force, F, in the cable. The block has an…

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Q: D.

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Q: 3/190 Car B is initially stationary and is struck by car A, which is moving with speed u. The cars…

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Q: Q. For figure as shown. A ball is thrown vertically upward. Determine 1. The height (h) 2. The time…

A:

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.