How fast will the lighter one travel

Assignment Help Physics
Reference no: EM13543462

Two figure skaters, one weighing 625N and the other 775N , push off against each other on very smooth ice.

Part A
If the heavier skater travels at 1.60m/s , how fast will the lighter one travel?
v = _________m/s
Part B
How much kinetic energy is "created" during the skaters' maneuver?
K = _________J
Part C
Where does this energy come from?

Reference no: EM13543462

Questions Cloud

What was the initial speed of the bullet : A 4.50 g} bullet is fired horizontally into a 1.10 kg} wooden block resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.200. The bullet remains embedded in the block, which is observed to slide 0.200..
What is mechanical energy of system and spring constant k : A 1.00 kg block Is resting against a light, compressed spring at the bottom of a rough plane inclined at an angle of 30 degrees. Kinetic friction between box and plane is 0.100. Suppose the spring is compressed 10 cm from its equilibrium length.
What was the speed of puck a before the collision : On a frictionless, horizontal air table, puck A (with mass 0.150kg} ) is moving toward puck B (with mass 0.350kg} ), which is initially at rest. After the collision, puck A has a velocity of 0.120m/s to the left, and puck B has a velocity of 0.650..
Find the kinetic energy of momentum : Find the kinetic energy of a 3.70{\rm kg} cat that has 0.240 kg *m/s}} of momentum. Find the momentum of a 1.22{\rm kg} ball that has 16.0 J} of kinetic energy.
How fast will the lighter one travel : Two figure skaters, one weighing 625N and the other 775N , push off against each other on very smooth ice. If the heavier skater travels at 1.60m/s , how fast will the lighter one travel?
Fired directly upward at speed-direction of electric field : A charge of +2?C and 6 mg is fired directly upward at a speed of 500 m/s. The charge reaches the top of its trajectory at 30 m. Ignoring gravity, find the magnitude and direction of the electric field necessary to accomplish this.
What is the frequency of the electric field : In an EM wave traveling west, the B field oscillates vertically and has a frequency of 84.0 kHz and an rms strength of 6.30×10^?9T.
He rock falls into the sea at the foot of the cliff : A 4.3 kg rock is initially at rest at the top of a cliff. Assume that the rock falls into the sea at the foot of the cliff and that its kinetic energy is transferred entirely to the water. The specific heat of water is 4186 J/kg·?
Tire on a bicycle is filled with air to a gauge pressure : The tire on a bicycle is filled with air to a gauge pressure of 691 kPa at 20?C. What is the gauge pressure in the tire after a ride on a hot day when the tire air temperature is 48?C?

Reviews

Write a Review

Physics Questions & Answers

  What is the resulting change in the carts speed

A 72 kg man is riding on a 40 kg cart traveling at a speed of 2.5 m/s. What is the resulting change in the cart's speed, including sign

  Questiona professional race-car driver buys a car which can

questiona professional race-car driver buys a car which can accelerate at 89.0 ms2. the racer decides to race beside

  Find intensity of electric field midway between two charges

Two point charges of +20.0 ?C and -8.00 ?C are separated by a distance of 20.0 cm. What is the intensity of electric field E midway between these two charges

  An interference filter has an effective bandwidth

An interference filter has an effective bandwidth of 10 nm. Would it be feasible to employ such a filter to isolate the calcium emission line at 422.7 nm from the potassium emission line at 404.4 nm? Assume that the signals are triangular in shape. S..

  Determine the electric field inside the sphere

An insulating sphere has a total excess charge Q distributed uniformly throughout the shere. Use Gauss's Law to calculate the electric field inside the sphere at a distance r

  Find the average acceleration vector of the football

As a function of time, the velocity of the football can be written as . (If the acceleration of an object is constant, find the average acceleration vector of the football

  What is the magnitude of the angular acceleration of the rod

A 3.92 m long rod has mass 1.04 kg which is uniformly distributed along the rod. what is the magnitude of the angular acceleration of the rod

  What is the magnitude of the average force acting on ball

A ball experiences a change in momentum of 12.5 N·s. If the time of interaction is 0.18 s, what is the magnitude of the average force acting on the ball

  Find the orbital period of the satellite

An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 4.50 m/s2

  How long does it take the spool to reach this angular speed

A 4.00-m length of light nylon cord is wound around a uniform cylindrical spool of radius 0.500 m and mass 1.00 kg. How long does it take the spool to reach this angular speed

  Question1a shopper pushes a cart 49 m south down one aisle

question1a shopper pushes a cart 49 m south down one aisle and then turns 90.0deg west and moves 16 m. he after that

  Physics: simple harmonic oscillator

Physics: Simple Harmonic Oscillator, Traveling waves are set up in a pair of long strings by a simple harmonic oscillator. The strings have identical mass densities of 5.1 grams/meter.

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