A speed skater goes around a turn with a 31 m radius. The skater has a speed of 14 m/s and experiences a centripetal force of 460 N. What is the mass of the skater?  Give answer to 2 Sig Figs.

Q: An astronaut weighs 140 N on the moon's surface. When she is in a circular orbit about the moon at…

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Q: number of forces in plane: centripetal force: Are all forces balanced? How much force is acting on…

A: Number of forces in plane = 2 (centripetal and normal force) yes the forces are balanced.

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: The motor draws in the cable with an acceleration of 3 m/s. The beam has a uniform mass of 25 kg/m,…

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Q: The mass of the Moon is 7.35 x 1022 kg and the Moon’s radius is 1079.4 miles. What is the…

A: The acceleration due to gravity on the surface of Moon is given by, g=GMR2 Here, G is the universal…

Q: A gondola on an amusement park ride spins at a speed of 13 revolutions per minute. If the gondola is…

A: Radius (r) of gondola=23 feet  Angular speed(ω) =13 rev/minute

Q: A lab centrifuge spins at 1470 rad/s (14,000 rpm).  Suppose it has radius 8.20 cm. What is the…

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Q: At its peak, a tornado is 60.0 m in diameter and carries 500 km/h winds. What is its aguler velocity…

A: The objective of the question is to find the angular velocity of the tornado in revolutions per…

Q: A race car rounds a curve at 60 m/s. The radius of the curve is 400 m, and the car’s mass is 600 kg.…

A: Formula of centripetal acceleration is as follows; ac=v2r…

Q: Mars rotates on its axis once every 1.02 days (almost the same as Earth does). (a) Find the…

A: Given: Time (T) = 1.02 days. = 88128 sec. Mass of mars (m) = 6.42×1023 kg.

Q: Europa orbits Jupiter at a distance of 6.7 x 108 m from Jupiter's cloudtops (the surface of the…

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Q: The mass of Mars is 6.42 × 10^23 kg and when it is closest to earth it is 54 million km away. a)…

A: Given: The mass of Mars is 6.42 × 10^23 kg The distance  between earth and mars, r=54 million km To…

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

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

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Q: The equatorial radius of the Earth is 6378 km and gravity at the equator is 9.780 m s-2. Compute the…

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

A: Given  Mass = m = 813kg Time taken to complete two round = t = 0.532 mins radius = r = 103m We have…

Q: A carnival ride has a 3.0 m radius and rotates once every 1.7s. what is the speed of the rider?

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Q: A stone weighing 10 Newtons is sitting on the side of a hill that is at a 30o angle with the…

A: The free body diagram of the body(stone) is shown as;   The component of the weight of stone acting…

Q: 6x10-4 kg object is moving uniformly on a horizontal circular path of radius r = 6.3 m. a. Find the…

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Q: A car travels at a constant speed around a circular track whose radius is 3.51 km. The car goes once…

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Q: An object weighs 432 N on the surface of the earth. The earth has radius R. If the object is raised…

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Q: A rocket moving around the earth at height “H”, If the gravitational acceleration “g1“ at height “H”…

A: Given:- A rocket moving around the earth at height “H”, If the gravitational acceleration “g1“ at…

Q: A car of mass 1.43x10°kg goes around an unbanked, circular curve of radius 26.6m at a speed of…

A: Given that               The mass of the car is (m) = 1.43×103Kg               Radius of the…

Q: A 0.85 kg ball experiences a centripetal acceleration of 6.5 m/s2 as it goes around a 1.2 m radius…

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Q: A rock is dropped from high above the surface of the Earth. The initial speed is 0, and the initial…

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Q: An object is in uniform circular motion. The mass is tripled, the speed is cut in half and the…

A: If the object is moving in uniform circular motion, then we can observe the centripetal…

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.