Determine the centripetal force acting on the ball

Assignment Help Physics
Reference no: EM13645824

A child is twirling a 0.0148-kg ball on a string in ahorizontal circle whose radius is 0.143 m. The ball travels oncearound the circle in 0.402 s. (a) Determine the centripetal force acting on the ball. (b) If the speed is doubled, by what factor does the centripetal forceincrease?

Reference no: EM13645824

Questions Cloud

Referring to a baggage carousel at an airport : Referring to a baggage carousel at an airport. Your suitcase has not slid all the way down the slope and is going around at a constant speed on a cirle (r=11.0m) as the carousel turns.
Find magnitude of the magnetic field at the location of coil : A circular coil (980 turns, radius = 0.043 m) is rotating in auniform magnetic field. At t = 0 s, the normal to the coilis perpendicular to the magnetic field. At t = 0.013 s,the normal makes an angle of 45o with the field becausethe coil has made ..
If the two circuits have the same resistance : An RL circuit with L = 1.00 H and an RC circuit with C =2.00 µF have the same time constant. If the two circuits have the same resistance, R, what is the value of R? What is this common time constant?
What is the magnetic flux through each turn of the coil : An emf of 21.0 mV is induced in a499 turn coil when the current is changingat a rate of 14.0 A/s. What is the magnetic flux through each turn of the coil at an instant when the current is 7.00 A?
Determine the centripetal force acting on the ball : A child is twirling a 0.0148-kg ball on a string in ahorizontal circle whose radius is 0.143 m. The ball travels oncearound the circle in 0.402 s.
Appropriate amplitude reflection-transmission coefficients : Suppose a lightwave that is linearly polarized in the plane ofincidence impinges at 30degrees on a crown-glass plate (nglass=1.55) in air. Compute the appropriate amplitude reflection and transmission coefficients, and the corresponding reflectanc..
What is the speed of the jogger relative to the water : A person going for a morning jog on the deck of a cruise ship isrunning toward the bow (front) of the shipat 1.5 {\rm m/s} while the ship ismoving ahead at 8.5 {\rm m/s}. What is the speed of the jogger relative to the water?
Light ray in air is incident on air to glass interface : A light ray in air is incident on an air to glass interface at anangle of 45 degrees and is refracted at an angle of 30 degrees to the normal. What is the index of refraction of the glass?
Magnetic field at a point midway between the two wires : Two wires in figure P19.5 carry currents of 3A and 5A in the direction indicated (out of the page). a) find the direction and the magnitude of the magnetic field at a point midway between the two wires. b) find the magnitude and the direction of the ..

Reviews

Write a Review

Physics Questions & Answers

  Calculate the electric field at the center of a square

Calculate the electric field at the center of a square 53.7 cm on a side if one corner is occupied by a +38.5 µC charge and the other three are occupied by -29.4 µC charges.

  Determine the new angular speed of the merry-go-round

A playground merry-go-round of radius R = 2.20 m has a moment of inertia I = 235 kg · m2, What is the new angular speed of the merry-go-round

  Find the total work done on the car by the external forces

Find out the total work done on the car by the external forces.

  Calculate the maximum height to which mass rises

Two blocks are free to slide along the frictionless wooden track shown below. The block of mass m1 = 4.94 kg is released from the position shown, Calculate the maximum height to which m1 rises

  What is the maximum acceleration of the car

A professor drives off with his car (mass 820 kg), but forgot to take his coffee mug (mass 0.38 kg) off the roof. What is the maximum acceleration of the car

  Compute the maximum emf in the alternator

In a 231-turn automobile alternator, the magnetic flux in each turn is fB = (2.36E-4 T*m2) cos(?t), where ? is the angular speed of the alternator. determine the maximum emf in the alternator

  What is the potential difference between the birds feet

A bird sits on a high-voltage power line with its feet 4.6 cm apart. What is the potential difference between the bird's feet

  Determine what is their acceleration

The passengers in a carnival ride travel in a circle of radius 5.0 m. They make one complete circle in a time t=4.0 S. What is their acceleration

  Find where is the image formed by the mirror

A candle 4.30 cm tall is 39.1 cm to the left of a plane mirror. Where is the image formed by the mirror

  Estimate how much kinetic energy is lost in the collision

Two balls with masses of 2.0 kg and 6.0 kg travel toward each other at speeds of 12 m/s and 4.0 m/s, respectively. how much kinetic energy is lost in the collision

  Calculate the efficiency of the motor

A 40.00-W eletric motor is able to accelerate a 8755 g car from rest to 30.00 mph in 31.10 seconds. Calculate the efficiency of the motor

  What is the speed of the water in the pipe

Water flowings through a 2.1 cm diameter pipe can fill a 400 L bathtub in 5.2 min. What is the speed of the water in the pipe

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