A small block with amass of 0.0600 kg is attached to acord passing through a hole ina frictionless, horizontal surface. The block is originallyrevolving at a distance of 0.40 m fromthe hole with a speed of 0.70 m/s.The cord is then pulled from below,shortening the radius of the circle inwhich the block revolves to 0.10 m.At this new distance, the speed ofthe block is 2.80 m/s. (a) What is thetension in the cord in the original situation, when the block has speedv = 0.70 m/s? (b) What is the tension in the cord in the final situation,when the block has speed v = 2.80 m/s? (c) How much work was doneby the person who pulled on the cord?

A small block with amass of 0.0600 kg is attached to acord passing through a hole ina frictionless, horizontal surface. The block is originallyrevolving at a distance of 0.40 m fromthe hole with a speed of 0.70 m/s.The cord is then pulled from below,shortening the radius of the circle inwhich the block revolves to 0.10 m.At this new distance, the speed ofthe block is 2.80 m/s. (a) What is thetension in the cord in the original situation, when the block has speedv = 0.70 m/s? (b) What is the tension in the cord in the final situation,when the block has speed v = 2.80 m/s? (c) How much work was doneby the person who pulled on the cord?

Related questions

Q: You push a .50kg block against a spring (k=3100 N/m),compressing it by .12m. The block is then…

A: The mass of the block, m1=0.50 kg The spring constant, k=3100 N/m The compression of the spring,…

Q: One end of a cord is fixed and asmall 0.500-kg object is attached to theother end, where it swings…

A: Given that v =8.0 m/s r =2.0 m θ= 20 deg m =0.50 kg

Q: A ball of mass 2 kg is tied to one end of a string of length 1 m and the other end of the string is…

A: Given-Mass (m) = 2 kg = 2000 gLength (L) = 1 mSpeed of ball at lowest point (s) =15 msθ = 30°g = 10…

Q: A small block with mass 0.0300 kgkg slides in a vertical circle of radius 0.425 mm on the inside of…

Q: (a) Calculate the work (in MJ) necessary to bring a 104 kg object to a height of 991 km above the…

A: Given data: a). The mass, m2=104 kg The height, h=991 km

Q: A roller coaster car of mass, m, enters the bottom of a frictionless vertical loop of radius 12.0m…

Q: 12. A girl sits on a tire swing that is attached with a rope that is 2.10 m in length. Her dad…

Q: A roller-coaster car has a mass of 1110kg when fully loaded with passengers. As the car passes over…

A: The free-body diagram of the roller-coaster when it is on the top of the hill is:

Q: The height that a cartoon character starts from is 5.00 meters. The radius of the loop the loop is…

A: Given,cartoon character starts from height, h = 5.00 mradius of the loop,, r = 1.75 mminimum speed…

Q: A student playing with a spring of negligible mass and a spring constant of 655 N/m decided to swing…

Q: See Conceptual Example 6 to review the concepts involved in this problem. A 9.19-kg monkey is…

Q: You are testing a new amusement park roller coaster with an empty car with a mass of 115 kgkg. One…

Q: On an asteroid like Bennu, where NASA just landed a probe on October 20, a pressurized nitrogen…

Q: 56. A block of mass m slides down a frictionless track, then around the inside of a circular…

A: Mass of block = m Radius of loop = R We need to find the minimum height = h=?

Q: The rotation of the earth causes a centrifugal effect on a mass near the surface of the earth. This…

Q: A roller coaster car filled with passengers has a mass of 4800 kg. What speed must it have at the…

Q: The figure shows a conical pendulum, in which the bob (the small object at the lower end of the…

Q: a small mass m attatched to the end of a string reveloves in a circle on a frictionless tabletop.…

A: Given : Initial velocity (v1) = 2.4 m/s Radius (r1) = 0.80 m Radius (r2) = 0.48 m

Q: 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…

Q: A massless spring of constant k = 88.2 N/m is fixed on the left side of a level track. A block of…

A: The spring constant is, k=88.2 N/m.The mass of block is, m=0.50 kg.The coefficient of kinetic…

Q: QUESTION 11 What minimum velocity must a small roller-coaster car have at the bottom of a…

A: Given: Radius, r = 8.00 m/s Acceleration due to gravity, g= 9.8 ms2 It is required to determine…

Q: The figure shows a thin rod, of length L= 2.20 m and negligible mass, that can pivot about one end…

A: Given L = 2.20 m θo = 18o M = 8.10 kg Vo =0 m/s

Q: Plz do.it Correctly

Q: A mass m = 77 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with…

A: Part-a The mass of the block m = 77 kg. The radius of the loop R = 19.9 m. The height of the…

Q: A projectile is shot directly away from Earth's surface. Neglect the rotation of the Earth. What…

Q: A 10.5-kg monkey is hanging by one arm from a branch and swinging on a vertical circle. As an…

Q: And don't worry about whether the passengers would actually survive the trip. They are lightweight…

Q: The velocity of the 8-kg cylinder is 0.3 m∕s at a certaininstant. The mass of the grooved drum is 12…

A: In the following problem, the given data is : Mass of the cylinder, mc=8 kg velocity of cylinder,…

Question

A small block with a
mass of 0.0600 kg is attached to a
cord passing through a hole in
a frictionless, horizontal surface
. The block is originally
revolving at a distance of 0.40 m from
the hole with a speed of 0.70 m/s.
The cord is then pulled from below,
shortening the radius of the circle in
which the block revolves to 0.10 m.
At this new distance, the speed of
the block is 2.80 m/s. (a) What is the
tension in the cord in the original situation, when the block has speed
v = 0.70 m/s? (b) What is the tension in the cord in the final situation,
when the block has speed v = 2.80 m/s? (c) How much work was done
by the person who pulled on the cord?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

A 2.0kg ball moves counterclockwise in a 0.75 m radius Vertical Circle. The Vt at the bottom is measured to be 7.0 m/s. What is the tension in the string at A, B, C, D? (See attachment)
See Conceptual Example 6 to review the concepts involved in this problem. A 10.8-kg monkey is hanging by one arm from a branch and swinging on a vertical circle. As an approximation, assume a radial distance of 61.6 cm is between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest point on the circle, it has a speed of 1.99 m/s. Find (a) the magnitude of the centripetal force acting on the monkey and (b) the magnitude of the tension in the monkey's arm. (a) Number (b) Number Units Units #
A bucket of mass equals 18.7 kg(mb) is knocked off the side of a wall. The bucket falls 18.6 m to the bottom of the well. Attached to the bucket is a light rope that wraps around a cylinder of radius equals 48.7 cm and mass(mc) equals 3.26 kg. How fast is the bucket falling just before it hits the ground
the speed of the roller coaster, in meters per second, is 16.71. At the top of the loop if the radius of curvature is 15 m the downward acceleration of the car is 1.9g. The height of the loop is 14.15 m. If the loop actually starts 6.5 m higher than your answer to the previous part (yet still reaches the top of the loop with the same velocity), how much energy, in joules, did it lose to friction? Its mass is 1400 kg.
A 0.2-kg ball is attached to a rope and is swung in a horizontal surface that has negligible friction. The circular path is moves in has a radius of 0.6 m. If the ball makes 150 revolutions per minute, the tension force of the string is:
18° The figure shows a thin rod, of length L = 2.20 m and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball of mass m =.10 kg is attached to the other end. The rod is pulled aside to angle 0 = 18 ° and released with initial velocity 0. (a) What is the speed of the ball at the lowest point? (b) Does the speed increase, decrease, or remain the same if the mass is increased? 8.10 I.
A 35.0 kg child is on a swing following a circular path with a radius of 3.25 m. As the swing passes through the lowest point of the circular path, the seat exerts a force of 480 N [up] on the child, what is the speed of the swing at that point?