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Circular motion
Page 5
Questions (2,779)
A race car moving with a constant speed of 60 m/s completes one lap around a circular track in 50 s. What is the magnitude of
5 answers
asked by
TNT
7,547 views
A stunt pilot of mass 55.0 kg who has been diving her airplane vertically pulls out of the dive by changing her course to a
4 answers
asked by
Kuwaiti
5,463 views
a small bead can slide without friction on a circular hoop that is in a vertical plane and has a radius of 0.100 m. The hoop
4 answers
asked by
bob
8,707 views
A ventilation fan has blades 0.25 m long rotating at 20 rpm. What is the centripetal acceleration of a point on the outer tip of
5 answers
asked by
Ashley
8,336 views
A toy car moves around a loop-the-loop track. The loop is
0.5 m high.What is the minimum speed of the car at the top of the loop
5 answers
asked by
Abdu
1,797 views
A 300 g block on a 54.0 cm -long string swings in a circle on a horizontal, frictionless table at 85.0 rpm .
What is the speed of
4 answers
asked by
Chewy
5,981 views
A 570.0 g ball moves in a vertical circle on a 103.0 cm-long string. If the speed at the top is 4.30 m/s, then the speed at the
4 answers
asked by
:(
2,194 views
The minute hand of a large clock is 0.50 m long.
(A) Calculate its linear speed at its tip in meters per second. (0.000873 m/s)
7 answers
asked by
Steffine
8,105 views
a child sitting 1.10 m from the center of a merry go round moves with a speed of 1.25 m/s. calculate the centripetal
5 answers
asked by
Sasha
16,101 views
You swing a 2.2 kg stone in a circle of radius 75 cm. At what speed should you swing it so its centripetal acceleration will be
7 answers
asked by
Sarah
4,767 views
A 1.0-kg ball on the end of a string is whirled at a constant speed of 2.0 m/s in a horizontal circle of radius 1.5 m. What is
7 answers
asked by
Marisol
8,781 views
A boy is swinging a toy on a piece of string in a vertical circle. The toy has a mass of 150g & the radius of the circle is
7 answers
asked by
biruk
2,564 views
A stone is tied to a string (length = 0.700 m) and whirled in a circle at the same constant speed in two different ways. First,
4 answers
asked by
Anon
7,442 views
Find the orbital speed of a satellite in a circular orbit 3.70×107 m above the surface of the Earth.
v = 3030 m/s So I've been
4 answers
asked by
Alvin
2,536 views
Estimate the force a person must exert on a string attached to a 0.120 kg ball to make the ball revolve in a circle when the
4 answers
asked by
leslie
2,678 views
An air puck of mass m1 = 0.24 kg is tied to a string and allowed to revolve in a circle of radius R = 1.4 m on a frictionless
4 answers
asked by
maryann
8,354 views
Singly charged positive ions are kept on a circular orbit in a cyclotron. The magnetic field inside the cyclotron is 0.947 T.
5 answers
asked by
Rex
1,835 views
A 72.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe", a track that is one-quarter of a circle with
4 answers
asked by
dan
1,960 views
A roller coaster ride includes a circular loop with radius R = 13.3 m. What minimum speed must the car have at the top to stay
4 answers
asked by
Nikita
2,780 views
A person is making homemade ice cream. She exerts a force of magnitude 23 N on the free end of the crank handle, and this end
5 answers
asked by
Eric
3,351 views
The wheels of a scooter have a diameter of 4.5 inches. If the person riding the scooter is traveling down hill at 15.0 mph. what
5 answers
asked by
Bob
2,510 views
A bob of mass = 0.250 is suspended from a fixed point with a massless string of length = 23.0 . You will investigate the motion
4 answers
asked by
tim
7,247 views
Grace is playing with her dolls and decides to give them
a ride on a merry-go-round. She places one of them on an old record
4 answers
asked by
KOmang
630 views
A 56-kg student runs at 4.2 m/s , grabs a hanging 10.0-m-long rope, and swings out over a lake (Figure 1) . He releases the rope
4 answers
asked by
Andres
4,162 views
A stopper tied to the end of a string is swung in a horizontal circle. If a mass of the stopper is 13.0 g, and the string is
4 answers
asked by
Ted
2,738 views
A pilot, whose mass is 91.0 kg, makes a loop-the-loop in a fast jet. Assume that the jet maintains a constant speed of 125 m/s
7 answers
asked by
Dan
2,704 views
An aerialist on a high platform holds onto a trapeze attached to a support by an 8.0-m cord. (See the drawing.) Just before he
4 answers
asked by
Mark
6,823 views
a ball moves with a constant speed of 4 m/s around a circle of radius 0.25 m. what is the period of the motion?
5 answers
asked by
nikkboo
6,874 views
A satellite moves on a circular earth orbit that has a radius of 6.68E+6 m. A model airplane is flying on a 16.3 m guideline in
4 answers
asked by
Katie
3,556 views
A child twirling a 0.0120kg ball on a string in a horizontal circle parallel to the floor. The radius of this circle is 0.358m.
4 answers
asked by
Lauren
1,937 views
A turntable rotates counterclockwise at 63 rpm. A speck of dust on the turntable is at θ = 0.57 rad at t = 0 s. What is the
4 answers
asked by
Jack
1,459 views
If the average speed of an orbiting space shuttle is 19600 mi/h, determine the time required for it to circle the Earth. Make
7 answers
asked by
savy
3,696 views
A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed. The ball has a mass m =
4 answers
asked by
Chris
1,427 views
A crate of mass 96 kg is loaded onto the back of a flatbed truck. The coefficient of static friction between the box and the
4 answers
asked by
Josh
677 views
A particle moves in a circle in such a way that the x- and y-coordinates of its motion are given in meters as functions of time
7 answers
asked by
Hannah
4,276 views
A race car travels with a constant tangential speed of 80.0 m/s around a
circular track of radius 750 m. Find the magnitude of
5 answers
asked by
jake
2,708 views
For an object in uniform circular motion, on what parameters does the experimental determination of the centripetal force depend
4 answers
asked by
Tris
1,358 views
A boy is swing a toy on a piece of string in a vertical circle. The toy has a mass of 150g and the radius of the circle is 0.8m.
5 answers
asked by
Belete
1,399 views
A bead slides without friction around a loopthe-loop.
The bead is released from a height of 18.9 m from the bottom of the
4 answers
asked by
monica :)
2,711 views
A 0.500 kg particle moves in a circle of R=0.0150 m at constant speed. The time for 20 complete revolutions is 31.7 s. What is
6 answers
asked by
Nancy
2,904 views
a .45kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.3m on a frictionless horizontal
5 answers
asked by
Sasha
4,784 views
Find the centripetal acceleration of a car that rounds an 80 m radius curve at 10 m/s.
5 answers
asked by
Anonymous
1,763 views
An airplane is flying in a horizontal circle at a
speed of 105 m/s. The 76.0 kg pilot does not want the centripetal acceleration
5 answers
asked by
BIlly
3,014 views
A 5.2-m-diameter merry-go-round is initially turning with a 3.0s period. It slows down and stops in 28s.
i found the v = 5.4 m/s,
4 answers
asked by
Brion
3,454 views
A train is rounding a circular curve whose radius is 1.87E+2 m. At one instant, the train has an angular acceleration of 1.51E-3
5 answers
asked by
Katie
1,806 views
calculate the centripetal acceleration of the earth in its orbit around the sun and the net force exerted on the earth. What
4 answers
asked by
krista
6,828 views
Explain why an object that moves round a complete circle will have an angular displacement of 2 pi radians but tangential
4 answers
asked by
Anonymous
1,301 views
An airplane is flying in a horizontal circle at a
speed of 104 m/s. The 84.0 kg pilot does not want the centripetal acceleration
5 answers
asked by
leslie
4,433 views
The speed of a point on a rotating turntable,
which is 0.172 m from the center, changes at a constant rate from rest to 0.531 m/s
6 answers
asked by
JRD
1,771 views
As their booster rockets separate, Space Shuttle astronauts typically feel accelerations up to 3g, where g = 9.80 m/s2. In their
4 answers
asked by
kia
2,687 views
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Parent Categories (49)
Acceleration
Centripetal Force
Classical mechanics
Conservation of momentum
Dynamics
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