What is period of the motion and what is the childs speed

Assignment Help Physics
Reference no: EM13655306

A child sits at the edge of a plarform rotationg at 30 rpm.  The platform is  10 m. in diameter. What is the period of the motion and what is the child's speed?

Reference no: EM13655306

Questions Cloud

Mass of lead is needed if the lead is attached below wood : A block of wood has a mass of 3.77 kg and a density of 589 kg/m3. It is to be loaded withlead so that it will float in water with 0.70 of its volume immersed. The density of leadis 1.13 multiplied by 104 kg/m3.
Coefficient of kinetic friction between the slide and child : A child slides down a slide with a 21^\circ incline, and at the bottom her speed is preciselyhalf what it would have been if the slide had beenfrictionless. Calculate the coefficient of kinetic friction between the slide and the child.
What is the gauge pressure at theupper face of the block : A cubical block of wood, 10.0 cm on a side, floats at the interfacebetween oil and water with its lower surface 1.50 cm below theinterface (see the cross section view in the figure). The densityof the oil is 790 kg/m3. (a) What is the gauge pressure ..
Find the density of the wood and density of the oil : A block of wood with volume V floats in waterwith 0.67V submerged.In oil the block floats with 0.85V of its volume submerged. Find the density of the wood. Find the density of the oil.
What is period of the motion and what is the childs speed : A child sits at the edge of a plarform rotationg at 30 rpm.  The platform is  10 m. in diameter. What is the period of the motion and what is the child's speed?
Square loop and rectangular loop : A square loop and a rectangular loop are each made from the same length of wire. Each loop contains a single turn, and carriesthe same amount of current. The loops are placed in the sameuniform magnetic field.
Meteoroid moving in the asteroids equatorial plane crashes : A uniform, solid, spherical asteroid with mass1.2x1013 kg and radius 1.0 km isrotating with a period of 5.2 hours. A meteoroid moving in the asteroid'sequatorial plane crashes into the equator at 8.8 km/s. It hits at a 58° angle to thevertical and..
Altitude is the projectiles speedone-half its initial value : A projectile is launched vertically from the surface of the Moonwith an initial speed of 1500 m/s.   At what altitude is the projectile's speedone-half its initial value?(in km)
Smooth block on frictionless surface is attached to spring : A smooth block on a frictionless surface is attached to a spring, pulled to the right a distance of 4 cm and the released.  Three seconds later it returns to the point of release.

Reviews

Write a Review

Physics Questions & Answers

  What is the force required to launch the aircraft

An aircraft weighing 892 N is accelerated at 9.9 m/s/s for 5 seconds, What is the force required to launch the aircraft

  What is the value of the youngs modulus for the metal

A metal wire 1.3mm in diameter and 1.8m long hangs vertically with a 5.4-kg object suspended from it. what is the value of the Young's modulus for the metal

  Determine what is the length of the whistle

A wistle (frequency = 594 Hz) is essentially a tube with one end open. If the 500 Hz sound is the 1st harmonic, what is the length of the whistle

  What should be the slit-to-screen distance

A double-slit experiment has slit spacing 0.140mm. What should be the slit-to-screen distance L if the bright fringes are to be 5.00mm apart when the slits are illuminated with 652nm laser light

  Compute the charge of the particle

A movig particle encounters an external electric field that decreases its kinetic energy from 9960 eV to 7700 eV as the particle moves from position A to position B. Determine the charge of the particle

  The velocities are in opposite directionssuch that they are

two blocks of mass 3 kg and 6 kg resp are placed on a smooth horizontal surface. they are connected by a light spring

  Determine the direction of the velocity of the two vehicles

A 1100kg car traveling south at 24 m/s with respect to the ground collides with and attaches to a 2550kg delivery truck traveling east at 16 m/s. Determine the direction of the velocity of the two vehicles

  Describe what is magnitude

Describe what are the (a) magnitude and (b) direction of the boat's velocity relative to the ground? (c) How long does the boat take to cross the river?

  What current is induced in the loop

A loop of wire (resistance = 2.0 m?) is positioned as shown with respect to a long wire which carries a current. If d = 1.0 cm, D = 6.0 cm, and L = 1.5 m, what current is induced in the loop at an instant when the current in the wire is increasing at..

  A microwave oven generates a sound level of 373 db when

a microwave oven generates a sound level of 37.3 db when consuming 1.6 kw of power. estimate the fraction of this power

  Find the maximum speed at which the car can negotiate turn

A 1,216-kg car drives through a turn with radius 42 m. The coefficient of static friction is 0.9 and the coefficient of kinetic friction is 0.52. find the maximum speed (constant) at which the car can negotiate the turn

  Calculate the amount of the electric charge stored on each

two parallel plates each of area 6.27 cm2 are separated by 3.60 mm. the space between the plates is filled with air. a

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