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Circular motion
Page 3
Questions (2,780)
The earth orbits the sun once a year (3.16 10^7 s) in a nearly circular orbit radius 1.50 10^11 m. With respect to the sun,
2 answers
asked by
john
765 views
1. A 0.20 kg object moves at a constant speed in a horizontal circular path of radius "r" while suspended from the top of a pole
5 answers
asked by
Jennifer
1,738 views
In Fig. 11-35, a solid brass ball of mass m will roll smoothly along a loop-the-loop track when released from rest along the
3 answers
asked by
M
1,909 views
A car of mass 800kg gose round a corner of radius 65m at a speed 10 m/s
what size force is needed to achive this?
7 answers
asked by
Zelie
2,053 views
Two cars are traveling at the same speed of 27 m/s on a curve that has a radius of 126 m. Car A has a mass of 1020 kg, and car B
1 answer
asked by
Hannah
643 views
In Figure 11-32 (which shows a ball at the top of an incline, at the bottom of the incline a loop begins with radius R and Q a
1 answer
asked by
COFFEE
950 views
The angle∅ swept by a particle moving round a circle at time t is given by ∅=t^2+3t-5. Find the acceleration at t=5s
2 answers
asked by
Sinachi
76 views
The angle∅ swept by a particle moving round a circle at time t is given by ∅=t^3+3t-5. Find the acceleration at t=5s
2 answers
asked by
Sinachi
85 views
The angle∅ swept by a particle moving round a circle at time t is given by ∅=t^2+3t-5. Find the angular velocity and
2 answers
asked by
Sinachi
89 views
The angle∅ swept by a particle moving round a circle at time t is given by ∅=t^3+3t-5. Find the angular velocity and
2 answers
asked by
Sinachi
118 views
Tristan works at a lab with a huge circular accelerator it has a diameter of 4 miles what is the accelerator circumference
2 answers
asked by
Sherri
80 views
A car is moving in curved bank ,the 900kg car is moving at speed of 40.0 m/s through
this curve of radius 100m .what does the
2 answers
asked by
Kondwani moyo
100 views
A car is moving in curved bank ,the 900kg car is moving at speed of 40.0 m/s through
this curve of radius 100m. what does the
2 answers
asked by
Kondwani moyo
104 views
A car is moving in curved bank ,the 900kg car is moving at speed of 40.0 m/s through
this curve of radius 100m.what does the
2 answers
asked by
Kondwani moyo
102 views
A stone tied to the end of a string 80 cm long is whirled in a horizontal circle wit a constant speed. If the stone makes 14
2 answers
asked by
Rama ^_^
108 views
A stone tied to the end of a string 80 cm long is whirled in a horizontal circle with a constant speed. If the stone makes 14
7 answers
asked by
Rama ^_^
127 views
A stone is tied at one end of a 5 m long string and whirled in a vertical circle. The minimum speed required to just cross the
7 answers
asked by
Rama ^_^
113 views
What is the centripetal acceleration of an object moving on a circular path of 1.5 m if it has an acceleration of 3.5 m/s2 and
3 answers
asked by
Rama ^_^
91 views
What is the centripetal acceleration of an object moving on a circular path of 1.5 m if it has an acceleration of 3.5 m/s2and an
2 answers
asked by
Rama ^_^
75 views
the linear speed of an object is directed along the tangent to the objet's circular path . this is also known as
1 answer
asked by
Rama ^_^
52 views
the linear speed of an object directed along the tangent to the object's circular path.
4 answers
asked by
Rama ^_^
70 views
A race car is making a U-turn at constant speed. The coefficient of friction between the tires and the track is μ= 1.20. If the
1 answer
asked by
Rama ^_^
107 views
an aeroplane is flying in a horizontal circle with airspeed of 480 km/h. The wings of the plane are tilted at 40 degrees to the
4 answers
asked by
mani
1,344 views
A conical pendulum is formed by attaching a 50 g mass to a 1.2m string. The mass swings around a circle of radius 25cm. A
7 answers
asked by
Robert
3,875 views
To test the performance of its tires, a car
travels along a perfectly flat (no banking) circular track of radius 120 m. The car
4 answers
asked by
Noah
5,450 views
Mass m1 on the frictionless table of the figure below is connected by a string through a hole in the table to a hanging mass m2.
5 answers
asked by
ian
10,617 views
when an object undergoes uniform circular motion, the direction of the acceleration is
a. directed tangent to the circle b.
1 answer
asked by
oyebodegoldencity
85 views
A 1.00-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 2.00 m/s. Find the
5 answers
asked by
Jon
3,208 views
Cheryl is riding on the edge of a merry-go-round, 2m from the center, which is rotating with an increasing angular speed.
4 answers
asked by
sarah
7,205 views
A satellite is orbiting the earth just above its surface. The centripetal force making the satellite follow a circular
4 answers
asked by
Anonymous
1,582 views
A coin sits 0.10m from the center of a
record player spinning at 45rpm. a) What is the frequency in Hertz? b) What is the period?
2 answers
asked by
Mike
155 views
A biker travels once around a circular
track of radius 20 m in 3s. Calculate: a) the average tangential speed b) the frequency c)
1 answer
asked by
Mike
97 views
The
maximum tension that a 0 50 m string can tolerate is 14 N A 0 25 kg ball attached to this string is being whirled in a
1 answer
asked by
Mike
98 views
A roller-coaster car has a mass of 500 kg when fully loaded with passengers. At the bottom of a circular dip of radius 40 m (as
3 answers
asked by
Deadrea
120 views
En el movimiento circular uniforme la fuerza centripeta que se ejerce sobre el cuerpo que gira esta dada por la formula F=M2/r.
1 answer
asked by
Andres
53 views
As denizens of the surface of a spinning planet, we are always in uniform circular motion. Imagine you are in Nairobi (on the
5 answers
asked by
anonymous
1,848 views
A woman at a point A on the shore of a circular lake with radius r=4 wants to arrive at the point C diametrically opposite A on
4 answers
asked by
Rainbows
7,434 views
A compact disk, which has a diameter of 12.0 cm, speeds up uniformly from zero to 4.40 rev/s in 3.20 s
What is the tangential
3 answers
asked by
carman
2,471 views
A roller coaster heads into a circular loop with radius 5m. At what minimum speed must the coaster go at the top of the loop to
5 answers
asked by
anonymous
1,727 views
A 0.75-kg ball is attached to a 1.0-m rope and whirled in a vertical circle. The rope will break when the tension exceeds 450 N.
4 answers
asked by
Jayesh
4,085 views
A car races on a circular track of radius r.
(a) Write an equation for the car's average speed when it travels a complete lap in
4 answers
asked by
price
2,884 views
A coin rests 18.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface
1 answer
asked by
Anonymous
1,089 views
A.) A Ferris wheel has a radius of 32 feet and completes one revolution every 5.4 minutes. What is the speed of the Ferris wheel
3 answers
asked by
Keira
2,747 views
A skier skis along a circular ski trail that has a radius of 1.3 km. The skier starts at the East side of the ski trail and
4 answers
asked by
Nevaeh
2,921 views
A circular power saw has an 8-1/2
inch diameter blade that rotates at 4400 revolutions per minute. a)Find the angular speed of
4 answers
asked by
Daisy
6,579 views
Mary is riding a merry-go-round, whose radius is 25 feet and which is turning 36 degrees per second. Seeing a friend in the
5 answers
asked by
Mike
3,128 views
1.A flywheel is rotating at 7 rad/sec. It has a 15-cm diameter. What is the speed of a point on its rim, in cm/min?
2.A wheel is
5 answers
asked by
rebecca
3,948 views
An instrument shows the number of revolutions per
minute made by each tire of a car. In each revolution, the car travels a
4 answers
asked by
harley
3,919 views
The radius of each wheel of a car is 16 inches. At how many revolutions per minute should a spin balancer be set to balance the
4 answers
asked by
Alex
2,301 views
A ball on the end of a string is whirled around in a horizontal circle of radius 0.386 m. The plane of the circle is 1.10 m
1 answer
asked by
mike
1,278 views
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Acceleration
Centripetal Force
Classical mechanics
Conservation of momentum
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