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Circular motion
Page 6
Questions (2,779)
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
1,770 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
2,686 views
How to solve?
2. A 70.0 kg astronaut is training for accelerations that he will experience upon reentry. He is placed in a
4 answers
asked by
Josh
4,079 views
A satellite moves in a circular orbit around
the Earth at a speed of 6.3 km/s. Determine the satellite’s altitude above the
4 answers
asked by
Sam
4,874 views
A hockey puck that has a mass of 170 g is tied to a light string and spun in a circle of radius 1.35 m (on frictionless ice).
4 answers
asked by
Aron
2,725 views
In the figure below, an object, after being released from its circular path, travels the distance OA in the same time it would
4 answers
asked by
Donald
2,135 views
A stuntman drives a car over the top of a hill, the cross section of which can be approximated
by a circular arc of radius 250 m.
5 answers
asked by
Petros
8,831 views
Cars on a certain roadway travel on a circular arc of radius r. In order not to rely on friction alone to over come the
4 answers
asked by
Brian
2,020 views
How fast do you need to swing a 190-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string
4 answers
asked by
Derp
1,760 views
Explain why an object that moves round a complete circle will have an angular displacement of 2¶ rad but tangential
7 answers
asked by
Anonymous
2,129 views
A geosynchronous satellite is one that appears to be fixed in the sky, a condition useful for telecommunications. If such a
4 answers
asked by
anna
1,530 views
A 9.5-kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. As an approximation, assume a radial
4 answers
asked by
Anonymous
4,991 views
A small metal cylinder rests on a circular turntable that is rotating at a constant speed.
The small metal cylinder has a mass of
5 answers
asked by
Tiffany
4,315 views
A runner covers one lap of a circular track 40.0 m in diameter in 62.5s (a) for that lap what were her average speed and average
4 answers
asked by
Sarah
3,155 views
A 58.0 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
Lexi
1,262 views
How long does it take a plane, traveling at a constant speed of 233 m/s, to fly once around a circle whose radius is 2090 m?
4 answers
asked by
Anonymous
3,539 views
The Hubble Space Telescope orbits at an altitude of 600 km above the Earth's surface. Assuming it is in a stable circular orbit,
4 answers
asked by
Allison
2,437 views
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.70 104 m/s, and the radius of the
4 answers
asked by
Justin
3,070 views
an astronaut rotates at the end of a test machine whose arm has a length of 10.0m. if the acceleration she experiences must not
7 answers
asked by
katy
3,184 views
A pitcher hurls a 0.25kg ball around a vertical circular path of radius 0.6 m, applying a tangential force of 30N, before
4 answers
asked by
Anonymous
2,769 views
What is the period of revolution of a satellite with mass m that orbits the earth in a circular path of radius 7820 km (about
4 answers
asked by
Andrea
5,941 views
The moon is a satellite that orbits the earth at a radius of 3.85 × 108 m. The mass of the earth is 5.98 × 1024 kg. What is
4 answers
asked by
Hannah
2,875 views
A group of students observes that a wooden block (m = 0.40 kg) on the end of a string with a radius of 0.7 meters makes 9
4 answers
asked by
phys 220
1,943 views
Each of the space shuttle's main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate
4 answers
asked by
Don
1,874 views
a toy cart at the end of a string 0.70 m long moves in a circle on a table. The cart has a mass of 2.0 kg and the string has a
5 answers
asked by
Anonymous
5,291 views
A child pedals a tricycle, giving the driving wheel an angular speed of w=.875 rev/s. If the radius of the wheel is r=0.260 m,
4 answers
asked by
Erin
1,867 views
two skaters, each of mass 55 kg, approach each other along parallel paths separated by 3.8 m. They have opposite velocities of
5 answers
asked by
Eric
4,973 views
A car initially traveling eastward turns north by traveling in a circular path at uniform speed as in the figure. The length of
4 answers
asked by
Emily
3,356 views
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of
4 answers
asked by
Bella
4,333 views
A runner circles a track of radius 50 m in 50 s moving at a constant rate. If the runner was initially moving north, what has
4 answers
asked by
anonymous
2,126 views
What is the relationship between the radius of revolution and the velocity of an object in uniform circular motion?
What is the
4 answers
asked by
Anonymous
977 views
In a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so
4 answers
asked by
Deven
5,291 views
A ball of mass 3.0 kg is tied to the end of a 50-cm length of string. The ball and string are swung in a circle in a vertical
5 answers
asked by
mike richards
2,500 views
A conical pendulum is formed by attaching a ball of mass m to a string of length L, then allowing the ball to move in a
4 answers
asked by
Anonymous
5,973 views
You tie one end of 0.3-m-long spring to a 0.5 kg mass. Holding the other end of the spring in your hand, you whirl the mass in a
4 answers
asked by
Jamie
2,387 views
At some instant, a particle traveling in a horizontal circular path of radius 7.80 m has a total acceleration with a magnitude
4 answers
asked by
Frank
2,400 views
An ice puck of mass m revolves on an icy surface in a circle at speed v at the end of a horizontal string of length L. The
4 answers
asked by
James
3,390 views
The carnival ride shown in Figure 7-18 has a 2.0 m radius and rotates once each .90 s
a. Find the speed of the rider. b. Find the
6 answers
asked by
Troubled
3,901 views
How do you solve this problem?
A ball on the end of a string is revolved at a uniform rate in a vertical circle radius of 72.0
7 answers
asked by
Emily Grossman
5,153 views
A Ferris wheel with radius 9.8 m rotates at a constant rate, completing one revolution every 36.6 s. Suppose the Ferris wheel
4 answers
asked by
Briana
3,048 views
A race car starts from rest on a circular track of radius 400 m. Its speed increases at the constant rate of 0.500 m/s2. At the
4 answers
asked by
YOYO
1,466 views
) A man holds a pail of water by the handle and whirls it around a vertical circle of radius 0.86 m at constant speed. What is
4 answers
asked by
anonymus
2,091 views
AN AUTOMOBILE TIRE HAS A RADIUS OF 0.330M AND ITS CENTER MOVES FORWARD WITH A LINEAR SPEED OF V= 15.0M/S. a) DETERMINE THE
4 answers
asked by
kassy
2,339 views
Space explorers discover an 8.7×10^17kg asteroid that happens to have a positive charge of 4400
C. They would like to place
5 answers
asked by
Brittany
5,243 views
An automobile with 0.310 m radius tires travels 85,000 km before wearing them out. How many revolutions do the tires make,
4 answers
asked by
Sam
4,319 views
A model airplane has a mass of .90 kg and moves at a constant speed on a circle that is parallel to the ground. Find the tension
4 answers
asked by
Poindexter
836 views
The track near the top of your favorite roller coaster has a circular shape with a diameter of 36 m. When you are at the top,
4 answers
asked by
Sierra
2,146 views
You are driving your car over a circular-shaped bump in the road that has a radius of curvature of 75.9 m.
A)If the car is
3 answers
asked by
Tammie
1,003 views
a single bead can slide with negligible friction on a wire that is bent into circular loop of radius 15 cm an in the figure. the
4 answers
asked by
hosni
1,881 views
the man hanging upside down is holding a partner who weighs 491 N. Assume that the partner moves on a circle that has a radius
4 answers
asked by
damien
2,377 views
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