How many revolutions per minute would a 30 m -diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point? Express your answer using two significant figures. ? f = rpm

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: Different situation now. You re out in space, on a rotating wheel-shaped space station of radius…

A: Radius of space station, r = 1249 m.Gravity, g = 9.81 m/s2.

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: A ferris wheel has a radius of 50.0 m. Each of the sixty gondolas on the wheel takes 1.00 minute to…

A: Given Radis of the wheel is given as r=50.0 m Period of revolution is given as T=1 min=60 s   We…

Q: You re out in space, on a rotating wheel-shaped space station of radius 1030 m. You feel planted…

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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: A rope with a length of 2.0 m is used to swing a 0.25 kg object in a horizontal circular motion with…

A: And in 1st part I solved acceleration

Q: A new car is tested on a 280-m-diameter track. If the car speeds up at a steady 1.5 m/s^2 , how…

A: The solution is given below

Q: Different situation now. You re out in space, on a rotating wheel-shaped space station of radius 963…

A:

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 tesla starts from rest on an unbanked circular track of radius 100m and speeds up at a steady rate…

A:

Q: NASA uses large centrifuges to study the effects of large forces on astronauts prior to their going…

A: Given Centirpeta acceleration (ac)= 20.0 g = 20.0  x 9.81 = 196.2 m/s2 Radius (r) = 9.5 m

Q: A centrifuge accelerates uniformly from rest to 19000 rpm in 280 s . Part A Through how many…

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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…

A:

Q: Can you assist me in solving this problem? Thank you! The cable lifting an elevator is wrapped…

A:

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 wind turbine has 12,000 kg blades that are 39 m long. The blades spin at 23 rpm .If we model a…

A:

Q: It has been suggested that rotating cylinders about 20.0 mi long and 5.69 mi in diameter be placed…

A:

Q: 80 kg person riding a Ferris wheel moves in a vertical circular trajectory of radius 6 m. As the…

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: It has been suggested that rotating cylinders about 17.5 mi long and 6.31 mi in diameter be placed…

A:

Q: A 2.0 x 103 kg car travels at a constant speed of 10.9 m s-1 around a circular curve of radius 30.2…

A: Given, It is given that the car travels around a circular curve. Mass of the car = 2 * 103 kg Speed…

Q: How fast (in rpm) must a centrifuge rotate if a particle 6.50 cm from the axis of rotation is to…

A:

Q: The average distance from the Earth to the Sun is 149x106 km. It takes the Earth 1 year to go around…

A: Recall ar=ω2R=centripetal acceleration

Q: In an amusement park ride called The Roundup, passengers stand inside a 18.0 m -diameter rotating…

A:

Q: QUESTION 10 An object initially moving with a velocity of 5.00 m/s South, slows down and changes its…

A: Q10.  Remember that average acceleration is given by: a_avg = change in velocity/time interval a_avg…

Q: A maintenance man is twirling a set of keys on the end of a lanyard. If the keys have a centripetal…

A: Centripetal acceleration is given by ACP =V2/R Here, ACP = centripetal acceleration = 145 m/s2. V =…

Q: Mary and her younger brother Alex decide to ride the 26 ft diameter carousel at the State Fair. Mary…

A:

Q: It has been suggested that rotating cylinders about 18.5 mi long and 4.60 mi in diameter be placed…

A:

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

A:

Q: A car is traveling a curved section of highway, as shown from a top-down view in the figure below.…

A:

Q: You re out in space, on a rotating wheel-shaped space station of radius 679 m. You feel planted…

A:

Q: A stone on the edge of the tire of a unicycle wheel with a radius of 0.25 m has a centripetal…

A:

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: You're out in space, on a rotating wheel-shaped space station of radius 1426 m. You feel planted…

A:

Q: Different situation now. You re out in space, on a rotating wheel-shaped space station of radius 743…

A:

Q: A typical laboratory centrifuge rotates at 4000 rpm. Test tubes have to be placed into a centrifuge…

A:

Q: acceleration

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Q: A vial containing a blood sample is placed into a centrifuge, which spins the sample quickly to…

A: Given  radius r = 0.12 m  frequency f = 1750 rpm = (1750/60 ) rps = 29.17 rps  mass m  = 95 g =…

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.