An object of mass 2 kg attached to a wire length 5 m is revolved in a horizontal circle. If it makes 60 r.p.m. find its (a) Angular speed (c) Centripetal acceleration (b) Linear speed (d) Centripetal force
Q: A CD rotates at 5600 revolutions per min. The disk has a radius of 15 cm. What is the centripetal…
A: ω=5600 rpm×2π rad1 rev×1 min60 s=586.43 rad/s
Q: The Moon orbits the Earth at a distance of 3.84 x 10^8 m and with a tangential speed of 1 km/s. If…
A: Given Data radius of orbit , r = 3.84×108 m mass of moon , mn = 7.3×1022 kgtangential speed of moon…
Q: A 80 Kg man rides a spinning amusement park ride that has a radius of 10.8 m. If the person's…
A: Given data : Mass of the man , m = 80 kg Radius , r = 10.8m…
Q: An athlete swings a 3.40-kg ball horizontally on the end of a rope. The ball moves in a circle of…
A: Given that:m=3.40 kgr=0.600 mω=0.650 rev/s
Q: It has been suggested that rotating cylinders about 11.0 mi long and 5.92 mi in diameter be placed…
A: Given: Length of cylinder, L=11 mi = 17702.784 m Diameter of cylinder, d=5.92 mi = 9527.316 m To…
Q: It has been suggested that rotating cylinders about 17.5 mi long and 6.12 mi in diameter be placed…
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Q: An athlete swings a 5.30-kg ball horizontally on the end of a rope. The ball moves in a circle of…
A: Mass of ball (m) = 5.30 kg radius of circle (r) = 0.950 m angular speed (ω) = 0.410 rev/sec
Q: It has been suggested that rotating cylinders about 12.5 mi long and 3.58 mi in diameter be placed…
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Q: An athlete swings a 6.90-kg ball horizontally on the end of a rope. The ball moves in a circle of…
A: Given: The mass of the ball is 6.9 kg. The radius of the circular path is 0.67 m. The angular speed…
Q: An amusement park ride consists of a car which is attached to the cable OA. The car rotates in a…
A: The speed of the car is 8 ft/s, when r=11 ft. The speed of the pulling of cable is 1 ft/s. The time…
Q: It has been suggested that rotating cylinders about 20.0 mi long and 3.53 mi in diameter be placed…
A: It is given that, l=20 mi=32186.9 md=3.53 mir=d2=3.532=1.765 mi=2840.4922 m
Q: A 19.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rpm. (a) What…
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Q: An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is…
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Q: It has been suggested that rotating cylinders about 17.0 mi long and 4.55 mi in diameter be placed…
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Q: Assume the Earth travels in a perfect circle around the Sun, with masses, 2.00 * 1030 kg and…
A: Write the expression for the centripetal force.
Q: It has been suggested that rotating cylinders about 16.5 mi long and 3.60 mi in diameter be placed…
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Q: The radius of the earth's very nearly circular orbit around the sun is 1.5×1011m. Find the magnitude…
A: Given information: The radius of the earth's circular orbit, r=1.5×1011 m The time period of the…
Q: It has been suggested that rotating cylinders about 20.0 mi long and 5.69 mi in diameter be placed…
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Q: A 22 kg child is riding a playground merry-go-round that is rotating at 0.6 Hz. What centripetal…
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Q: It has been suggested that rotating cylinders about 17.5 mi long and 6.31 mi in diameter be placed…
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Q: A 35.0 kg child is riding a playground merry-go-round that is rotating at 40.0 rev/min. What…
A: we know that centripetal force Fc= mw2Rwhere m is massw is angular velocity R is distance from…
Q: An athlete swings a 6.00-kg ball horizontally on the end of a rope. The ball moves in a circle of…
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Q: A mass m rotates at constant speed v at a radius of R from the orational axis. A force F provides…
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Q: An athlete swings a 4.10-kg ball horizontally on the end of a rope. The ball moves in a circle of…
A: Answer Given Mass of the ball m = 4.10 kg Radius r = 0.710 m Angular speed ω = 0.520 rev/s
Q: It has been suggested that rotating cylinders about 15.0 mi long and 5.89 mi in diameter be placed…
A: Given, l= 15mi =15*1609m = 24135 m d= 5.89mi = 5.89*1609m =9477.01 m Where, l is the length of the…
Q: What centripetal acceleration do we undergo at the equator with respect to earth's center on account…
A: We know that centripetal acceleration is, ac = w2R where, w = angular speed and R = radius
Q: Due to the Earth's rotation, when an object is dropped from rest from the top of a high tower, it…
A: Let h denotes the building height, t denotes the time taken to fall freely, and g denotes the…
Q: (a) A 19.0 kg child is riding a playground merry-go-round that is rotating at 30.0 rev/min. What…
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Q: A.)A 38.0 kg child is riding a playground merry-go-round that is rotating at 55.0 rev/min. What…
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Q: A turntable of radius 60 cm undergoes constant acceleration from rest to 3.0 rev/s in 2.5 seconds.…
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Q: It has been suggested that rotating cylinders about 18.0 mi long and 4.49 mi in diameter be placed…
A: Given data The length of the rotating cylinder is given as L = 18 miles. The diameter of the…
Q: It has been suggested that rotating cylinders about 18.5 mi long and 4.40 mi in diameter be placed…
A: AIM: To determine the angular speed of the cylinder such that, the centripetal acceleration is equal…
Q: It has been suggested that rotating cylinders about 18.5 mi long and 4.60 mi in diameter be placed…
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Q: A 50.0-kg child stands at the rim of a merry-go-round of radius 2.00 m, rotating with an angular…
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- 6. A 50.0-kg child stands at the rim of a merry-go-round of radius 2.90 m, rotating with an angular speed of 3.80 rad/s. (a) What is the child's centripetal acceleration? (b) What is the minimum force between her feet and the floor of the carousel that is required to keep her in the circular path? ey radios (c) What minimum coefficient of static friction is required? entin ns the blocle taveled?It has been suggested that rotating cylinders about 18.5 mi long and 5.52 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth?A child whirls a toy plane around in a circle of radius 60cm. She notices it takes 10s to make 12 complete rotations. Calculate: 1) The speed 2) The centripetal acceleration 3) The frequency of rotation 4) The period of rotation 5) The net force on the toy if the toy has a mass of 500g. 6) What force is responsible for the keeping the toy in rotation?
- It has been suggested that rotating cylinders about 17.5 mi long and 4.73 mi in diameter placed in space and used as colonies. What angular speed must a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth?It has been suggested that rotating cylinders about 10.5 mi long and 3.54 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth?Assume the Moon travels in a perfect circle around the Earth, with masses 7.35 * 1022 kg and distances 3.85 * 105km and takes 27.32 days to complete a complete circle. What is the centripetal force (in N) acting on the Moon?
- It has been suggested that rotating cylinders about 11.0 mi long and 3.63 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth? rad/sIt has been suggested that rotating cylinders about 10.5 mi long and 6.32 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth? rad/s =A 3.20 kg hawk circles overhead in search of prey. (a) If the hawk circles once every 10.0 s in a circle 12.0 m in radius, what is the linear speed of the hawk? (b) What centripetal force allows him to remain in a circle? ) (c) What is providing the centripetal force?
- A car of mass 1.43x10°kg goes around an unbanked, circular curve of radius 26.6m at a speed of 13.4m/s . What is the horizontal force that the road must exert on the car?t has been suggested that rotating cylinders about 16.0 mi long and 5.06 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth?How fast (in rpm) must a centrifuge rotate if a particle 6.7 cm from the axis of rotation is to experience an acceleration of 200000 g’s? Express your answer using two significant figures