How many revolutions per min would a 25-m-diameter ferris wheel need to make for the passengers to feel "weightless" at the topmost point?

Q: takeoff a commercial jet has a 70.0 m/s speed. Its tires have a diameter of 0.400 m.(a) At how many…

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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: Kearney's Comet has a radius of 403. km and orbits the solar system (goes around the Sun) in a…

A: Given Data: The radius of a Kearney's Comet is, r=403 km The mass of a Comet is, m=8.45×1015 kg The…

Q: An astronaut with a mass of 97 kg is in a rotating space station with a radius of 350m. She stands…

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Q: Starting from a standstill, a windmill-style softball pitcher executed a pitch in 0.6 s. If her…

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Q: At takeoff a commercial jet has a 70.0 m/s speed. Its tires have a diameter of 0.400 m. (a) At how…

A: Linear speed of commercial jet (v) = 70 msdiameter of tires (d) = 0.400 m radius of tires (r) =…

Q: The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal,…

A: Given data: The mass of centrifuge is m=20 g. The length of tube is L=58 ft. The distance from…

Q: A satellite is launched to orbit the Earth at an altitude of 1.40x107 m for use in the Global…

A: Given data The altitude is a=1.40×107 m The mass of the earth is me=5.94×1024 kg The radius of the…

Q: It has been suggested that rotating cylinders about 16.5 mi long and 4.65 mi in diameter be placed…

A: Given data The length of the cylinder is l = 16.5 mi. The diameter of the cylinder is d = 4.65 mi =…

Q: You drive down the road at 38 m/s (86 mi/h) in a car whose tires have a radius of 38 cm. (a) What…

A: Given that, the value of radius and velocity. Then We have to determine the value of given parts.

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: In the 1968 film 2001: A Space Odyssey, directed by Stanley Kubrick, some spacefarers make the…

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Q: To create artificial gravity, the space station shown in the drawing is rotating at a rate of 2.20…

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Q: A 1,100kg car is turning on a flat roadway, moving in a circle with a radius of 12m.  The car is…

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Q: You are on a Ferris Wheel that spins at 2.4 rpm. The ride is 29 m across. What is your apparent…

A: Calculate the radius of the wheel.

Q: A rotating space station of radius 235 m is pictured above. What rotation rate must it have in order…

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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: A cylindrical space station is 531 m in diameter. It rotates in order to create artificial gravity…

A: Diameter of the space station, (d)= 531 m The centripetal acceleration is (ac)=2.5 g Where, g=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 0.50 kg ball attached to the end of a horizontal cord is rotated in a circle radius 2.1m on a…

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Q: The moon orbits the earth at a distance of 3.84 x 10^8 m with a tangential speed of 1 km/s. If the…

A: Given, Distance between earth and moon orbit (R)= 3.84×108 m  Tangential speed of moon (v)= 1km/s…

Q: One problem for humans living in outer space is that they are apparently weightless. One way around…

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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: NASA launches a satellite into orbit at a height above the surface of the Earth equal to the Earth's…

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Q: You tie a small 68.0-g pebble to a string and start spinning it in a horizontally-oriented circle at…

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Q: To create artificial gravity, the space station shown in the drawing is rotating at a rate of 1.70…

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Q: How many revolutions per minute would a 30 m -diameter Ferris wheel need to make for the passengers…

A: d=30 mr=15 mThe passenger is weightless at the top.

Q: Two satellites are in circular orbits around Mars. One, with orbital radius r, makes one revolution…

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Q: A rocket, launched from the Earth, shuts off its engines when its speed is 5.10 km/s. It reaches a…

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Q: It has been suggested that rotating cylinders about 13.0 mi long and 4.81 mi in diameter be placed…

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Q: In 2014, the Rosetta space probe reached the comet Churyumov– Gerasimenko. Although the comet’s core…

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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: 5For the case of myoglobin, where mnet =4000 g/mole, how fast does a centrifuge have to spin before…

A: Step 1 2″N 2 πX15000 W= = 1570 rad/s   60 60   The bowl volume, V-b(1₂²-1²)   = π x…

Q: In recent years, scientists have discovered thousands of exoplanets (planets orbiting stars other…

A: Write the given values using suitable variables. Here M signifies sun mass, D signifies sun…

Q: It is proposed that future space stations create an artificial gravity by rotating. Suppose a space…

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Q: It has been suggested that rotating cylinders about 11.0 mi long and 3.63 mi in diameter be placed…

A: The length of a cylinder is, L=11 mi=11 mi×1609.34 m1 mi=17702.74 m The radius of a cylinder is,…

Q: It has been suggested that rotating cylinders about 11.5 mi long and 4.18 mi in diameter be placed…

A: Diameter = 2 r = 4.18 mi = 6727.058 m free fall acceleration on earth = a = 9.8 m/s2

Q: If 0.5 kg-ball is swung in the horizontal direction, what force must a person exert on a string…

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Q: In the 1968 film 2001: A Space Odyssey, directed by Stanley Kubrick, some spacefarers make the…

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Q: Astronauts in the International Space Station must work out every day to counteract the effects of…

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Q: The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a cylindrical…

A: Given, Radius = 29 ft force = 20.0 mg

Q: from blood plasma using a centrifuge. This device spins the whole blood samples rapidly in a…

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Q: following data measures a spinning mass at different angular speeds and the radial force…

A: Radius of the circular path (r) = 5.14 cm = 0.0514 m The angular speed versus radial force data is…

Q: A 0.25 kg ball attached to a string is rotating in a horizontal circle of radius 0.5 m. If the ball…

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Q: In the 1968 film 2001: A Space Odyssey, directed by Stanley Kubrick, some spacefarers make the…

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Q: At takeoff a commercial jet has a 60.0 m/s speed. Its tires have a diameter of 0.700 m. (a) At how…

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Q: Life scientists use ultracentrifuges to separate biological components or to remove molecules from…

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Q: A jet pilot takes his aircraft in a vertical loop. The mass of the pilot is 68.0 kg. the loop has…

A: The mass of the pilot (m)  = 68 kg The radius of the loop (r) = 1680 m The speed of the aircraft at…

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.