A student swings a 0.5 kg rubber ball attached to a string over her head in a horizontal, circular path. The string is 1.5 meters long and in 50 seconds the ball makes 100 complete circles. what is the speed of the ball? what is the ball's centripetal acceleration?  what is the ball's centripetal force?

Q: What is the centripetal acceleration of the ball? Are the forces acting on the ball balanced?…

A: Given,  Length of the string L=2.10m  speed v=367 cm/s The forces acting in the Y direction…

Q: An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon…

A: this problem is solved by the concept of circular motion. when a body of mass m moves in a circular…

Q: A 35.0 kg child moves with uniform circular motion while riding a horse on a carousel. The horse is…

A:

Q: A student swings a 0.5kg rubber ball attached to a string over her head in a horizontal, circular…

A: Given: Mass of the rubber ball = 0.5 Kg Length of the string = 1.5 m Time taken = 60 seconds Number…

Q: ball on a string is swung in a horizontal circle at a constant speed of 4.3m/s . The centripetal…

A:

Q: The moon revolves about the Earth, making a complete revolution in 27.3 days. Assume that the orbit…

A: It is given that, r=23800 miles =3.83×108 mt=27.3 days=2.36×106 sec

Q: From Newton's Second Law, F = ma. Derive an equation as acceleration defined as ạc = - From the…

A: We know that , Centripetal force , Fc = mv2r And from Newton Seconds Law , F = ma ac =Fcm =…

Q: Deimos, one of Mars's moons, has a mass of about 2.0 x 10¹5 kg and a diameter of about 12 km. An…

A:

Q: Cam Newton of the Carolina Panthers throws a perfect football spiral at 8.0 rev/s. The radius of a…

A:

Q: Haley is spinning a rope with a weight tied at the end above her head. The rope is 1.25 m long, and…

A: Given data-  Length of rope r=1.25 m  Centripetal acceleration of the weight is ac=16.4 m/s2 Let us…

Q: A car goes around a curve of radius R at constant speed V. Then it goes around a curve of radius R/2…

A: Given : Radius of the first curve= R; speed = V; Radius of the second curve = R/2; speed of the…

Q: A car moving at a speed of 12.0 m/s encounters a bump in the road that has a circular cross-section…

A:

Q: It takes a 813 kg racing car 0.532 min to travel at a uniform speed twice around a circular…

A: mass of racing car (m) = 813 kg radius of race track (r)  =103 m time taken to complete two rounds =…

Q: What is the centripetal acceleration of a jet making a turn with a radius of 0.50 km at a speed of…

A: Given that -  Radius velocity To Find -  We have to determine the centripetal acceleration of the…

Q: The moon is going around the Earth at a speed of 1022 m/s. The moon is 3.48 x 108 m. Assume the…

A: Given, The speed of moon is 1022 m/s the moon is at 3.48 x 10^8 m here we can assume the moon’s…

Q: In a medical lab, you put blood in tubes in a centrifuge to separate the plasma from the formed…

A:

Q: boy is riding a merry-go-round at a distance of 7.00 m from its center. The boy experiences a…

A:

Q: A Formula 1 car drives at 40.0 m/s around a 90 degree turn with a radius of 32.5m.  a) what is the…

A:

Q: A student ties a washer to the end of a string and swings it in a circle over her head. The washer…

A: Given Data:The speed of the washer is v=2.4 m/s.The radius of the circular path is r=0.51 mTo…

Q: 5. a. How far from the center of the earth does a satellite to be to have an orbital period of 6…

A:

Q: A car with a mass of 1300 kg travels around a banked curve with a constant speed of 20 m/s (about 45…

A:

Q: A 85 kg skateboarder travels around a circular ramp with a radius of 11.7 m at a constant speed of…

A:

Q: Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the…

A: The length of blades are: r = 59 mThe revolutions of the blade are: N = 14 rpmThe blade's velocity…

Q: The moon completes one (circular) orbit of the earth in 23.7 days. The distance from the earth to…

A:

Q: A car travels at a constant speed around a circular track whose radius is 2.67 km. The car goes once…

A: Given data: Radius (r) = 2.67 km Time taken to complete one round (t) = 285 s Required: The…

Q: A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal…

A: Data Given ,   Diameter of the circular path( d ) = 4.8 m So , Radius of the path ( r ) = d / 2 = (…

Q: A fast-pitch softball pitcher with an arm 0.65m long executes a pitch in 0.5 seconds. At the instant…

A:

Q: In an amusement park ride called The Roundup, passengers stand inside a 19.0 m -diameter rotating…

A:

Q: Modern wind turbines are larger than they appear, and despite their apparently lazy motion, the…

A:

Q: a planet has a moon which is 2.5x10^9 m  away from the planet, the moon makes a circular orbit…

A: Given Data: The distance between the moon and the planet is, r=2.5×109 m The time period of…

Q: Prior to landing at the airport, an airplane flies at a constant speed in a circular course with a…

A:

Q: The radius of the earth's orbit around the sun (assumed to be circular) is 1.50×108km, and the earth…

A: Orbital radius of the Earth is Time period of the Earth orbiting the Sun is Orbital radius of…

Q: A runner taking part in the 200-m dash must run around the end of a track that has a circular arc…

A: Given: A runner taking part in the 200-m dash must run around the end of a track that has a circular…

Q: A Ferris wheel has a radius of 30 m and its centre is 32 m above the ground. It rotates once every…

A:

Q: Suppose a spacecraft orbits the moon in a very low, circular orbit, just a few hundred meters above…

A: The time taken by the space craft is  T = 2πrg

Q: A 1500 kg racecar goes at a constant speed of 96 km/h round a curved section of track that has a…

A: Speed of car ( V ) = 96 km/h = 96 * (1000 / 3600 )  = 26.667 m/s Speed of car ( V ) = 26.667 m/s

Q: A 3.68 kg object is tied to the end of a cord and whirled in a horizontal circle of radius 881 cm.…

A:

Q: A father fashions a swing for his children out of a long rope that he fastens to the limb of a tall…

A: The centripetal acceleration is given by ac=v2r