A 59.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 3.00 m. (Figure 1) What speed does he need at the bottom? Express your answer with the appropriate units. v0 = μA Value Units ?

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A: In this case, a ball on a string has been swinging in a circular path with some initial radius and…

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Q: A toy airplane is tied to a 0.7 m cord, swirling in circles.  The boy holding the cord did a…

A: radius of the circle, r=0.7 m angular velocity ω=24 rpm=24×2×π60 rad/s let the linear velocity of…

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Q: 2. A block projected up in a frictionless inclined plane with a speed of v,. The angle of incline is…

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A: Answer                B. Is greater than mg Solution

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Q: 1. An object of mass, m, is dropped from a height, h, on the surface of the earth.... A. What time,…

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Q: 8. You are riding a roller-coaster going around a vertical loop, on the inside of the loop. If the…

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Q: Please

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Q: A pilot of mass m in a jet aircraft executes a loop-the-loop, as shown in Figure I.5. In this…

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Q: 9. A block is sliding on a frictionless surface which includes a bump. The bump is 0.50 m in height…

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Q: A 0.5-kg ball is attached to a string and whirled around in a circle overhead. The string breaks if…

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Q: initial position E W.

A: The solution can be given as follows :-

Q: A 0.5-kg ball is attached to a string and whirled around in a circle overhead. The string breaks if…

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Q: A. How fast is she traveling at that instant in time?

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Q: An engineer wants to design an oval racetrack such that 3.20 x 10° lb racecars can round the exactly…

A: Solution:   Given Values, Mass(m)=3.20×103 lbradius(r)=1000 ft =1000 ×0.3048 =304.8 mvelocity(v)=101…

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Q: H What is the MINIMUM speed a roller coaster can through the top of a loop where R = 4.4 meters?…

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Q: A boy takes a 2.0-kg rock and ties it to the end of a light, uniform, 0.80-m-long rope. He then…

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Q: a. You're driving over the top of a hill with a radius of 15.075 m. How fast would you need to drive…

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Q: 26. A stationary 25 kg object is released from a position 8.9 x 106 m from the centre of the earth.…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!