A pendulum is 0.890 m long, and the bob has a mass of 1.00 kg. At the bottom of its swing, the bob’s speed is 1.60 m/s. a. What is the tension in the string at the bottom of the swing? answer in N b. The tension is greater than the weight of the bob because of which of the following?

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Q: A

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Q: 7. A 1.35-kg ball is tied to a 1.36-m long string is being spun in a vertical circle at a constant…

A:

Q: 11. You are riding a roller-coaster going around a vertical loop, on the inside of the loop. If the…

A: Circular motion.

Q: A mass m 0.15kg attached to the end of string and rotating in a vertical circle of radius R 0.5 m.…

A:

Q: 7. A 1.35-kg ball is tied to a 1.36-m long string is being spun in a vertical circle at a constant…

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Q: 6. A 1.40-kg ball is tied to a 1.26-m long string is being spun in a vertical circle at a constant…

A:

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A: Given data: Constant Speed (v) = 7 m/s Radius (r) = 0.20 m Required: Period (T) of the motion

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Q: A mass m = 5.0 kg is attached to the lower end of a massless string of length L = 84.0 cm. The upper…

A:

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.