What is the minimum veocity of the ball

Assignment Help Physics
Reference no: EM13312222

A 200 gram ball is attached to a string that is 1 m long and swung in a vertical circle.

A) What is the minimum veocity of the ball so that the string will not slack at the top?

B) If the ball is swung with twice this velocity, what will be the tension in the string at the bottom of the circle?

Reference no: EM13312222

Questions Cloud

Estimate the force on the chimney and the bending moment : A 10m height chimney has a 2.0m x 2.0m square cross section. The wind blows horizontally in a direction which is parallel to one of the diagonals of the cross section.
Calculate the acceleration due to gravity on the moon : If a feather is dropped on the moon falls 81.7cm in one second, calculate the acceleration due to gravity on the moon
Explain what is the ph of 0.191 mol/l ch3cooh(aq) : 1)Acetic acid, CH3COOH, is a weak monoprotic acid (pKa=4.74 at 25oC). What is the pH of 0.191 mol/L CH3COOH(aq) at 25oC? Give your answer accurate to two decimal places. 2)Diethylamine, (C2H5)2NH, is a weak base (pKb=3.16 at 25oC)
Determine height and the velocity of the water downstream : The centres of the piers in a bridge are 8.0m apart. The piers are each 0.8m wide. Water flow under the bridge with an upstream depth and velocity of 4.0m and 4.0m/s respectively. The pier has a drag coefficient Cd = 1.5.
What is the minimum veocity of the ball : A 200 gram ball is attached to a string that is 1 m long and swung in a vertical circle. What is the minimum veocity of the ball so that the string will not slack at the top
What horizontal force on each lower bar is necessary to keep : A third similar bar is placed on the other two in the groove between them. Neglecting friction, what horizontal force on each lower bar is necessary to keep them together.
How many units should each plant produce to maximize profit : A perfectly competitive firm faces a market price of $10 for its output X. It owns two plants, A and B, whose total costs are TCA = 10 + 2X + .25X2 (to the second power) TCB = 15 + .4X + .1X2 (to the second power).
What is the magnitude of the final velocity : A projectile is fired from the edge of a 10m high cliff at 10m/s and an angle of 30 degrees from the horizontal. what is the magnitude of the final velocity
Find average normal stress at the midsection of rod : two solid rods AB and BC are welded together at B and loaded as shown. Knowing that d1=50mm and d2=30mm, find average normal stress at the midsection of rod AB and rod BC.

Reviews

Write a Review

Physics Questions & Answers

  How two charged dust particles exert a force

A diving board of length 3.00m is supported at a point 1m from the end, and a diver weighing 520 m stands at the free end . The diving board is of uniform cross section and weighs 270m.

  Find out the speed of the pitch

When the pitcher throws his fastball aimed at the clay, the ball becomes embedded in the clay and the two swing up to a maximum height of 0.11 m. If the mass of the baseball is 0.21 kg, find out the speed of the pitch. Please provide step by step ..

  Find magnitude of kinetic friction force acting on childe

A 30kg child slides down a playground slide at a constant speed. find the magnitude of the kinetic friction force acting on the child

  Find the ratio r2/r1

At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 345 N/C. At a distance r2 from the charge, the field has a magnitude of 120 N/C

  Find the root mean-square velocity

The total kinetic energy in one mole of nitrogen is 4,000 J. what is the root mean-square velocity of an individual particle in the ideal gas

  Determine the final temperature of the system

A 790-N cliff diver in Alcapulco drops from a cliff 20.60 m above the water's surface. If friction is disregarded, what is the cliff diver's speed just before striking the water.

  Estimate the angular momentum of the system

A particle of mass 0.350 kg is attached to the 100-cm mark of a meterstick of mass 0.200 kg. Calculate the angular momentum of the system when the stick is pivoted about an axis perpendicular to the table through the 50.0-cm mark

  Find the average acceleration of the bullet through boat

What thickness of board (calculated to 0.1 cm) would it take to stop the bullet, suppose that the acceleration through all boards is the same.

  Find out the equation for the velocity at any time

Find the equation for the acceleration of the moving body at any time.

  Determine the magnitude of the smaller of the two charges

Each of two small non-conducting spheres is charged positively, the combined charge being 40 mC. Determine the magnitude of the smaller of the two charges

  What is the resistance of the unknow resistor

A resistor with an unknown resistance is connected in parallel to a 12 ohm resistor. while both resistors are connected to an emf source of 12 V, current across the unknow resistor is measured with an ammeter to be 3.0 A. What is the resistance of..

  Where on the y axis is total electric field zero

A model rocket rises with constant acceleration to the height of 3.7, at which point its speed is 25. what was the magnitude of the rocket's acceleration.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd