Highest power rating

Assignment Help Physics
Reference no: EM13672645

Which of the following would have the highest power rating?

1. 100 joules of energy used in 0.5 seconds.

2. 500 joules of energy used in 0.5 seconds.

3. 100 joules of energy used in 0.25 seconds.

4. 500 joules of energy used in 0.25 seconds.

Reference no: EM13672645

Questions Cloud

With what speed will you be moving afterward : You are standing on a sheet of frictionless ice and throw a ball of mass 0.640 kg horizontally at a speed of 8.00 m/sec to your friend. Your mass is 75.4 kg, and your friend’s mass is 38.0 kg.
Is the balls charge positive or negative : A small 2.97 g plastic ball is suspended by a 20.2cm long string in a uniform electric field of 1460 N/C. The acceleration due to gravity is 9.8m/s^2 and the Coulomb constant is 8.999*10^9N.m^2/C^2. Is the ball's charge positive or negative?
How fast are the waves travelling : Robert Mugabe is playing in the bath. He notices that wave crests pass his plastic toy duck every 1.2s> he measures the distance among two crests to be 0.06m. How fast are the waves travelling?
Angular velocity of two disks combined-disk with radius : A 1.6 kg disk with radius 0.63 m is rotating freely at 55 rad/s around an axis perpendicular to its center. A second disk that is not rotating is felled onto the first disk so that their centers align, and they stick together. The mass of the second ..
Highest power rating : Which of the following would have the highest power rating?
Discover the forces on the ladder from the wall and floor : A uniform 6-m ladder weighs 200 N. The ladder leans against a frictionless wall at an angle 650 to the floor. Discover the forces on the ladder from the wall and the floor.
Treat the coffee as though it were pure water : An insulated thermos contains112.0 cm3 of hot coffee at a temperature of 80.0 °C. You put in 11.0 g of ice cube at its melting point to cool the coffee. What is the temperature of the coffee once the ice has melted and the system is in thermal equili..
Discover the initial angular velocity in units of rad : A wheel with a rotational inertia of 5.0 kg m2 is rotating in a horizontal plane at 600 rev/min. A rim brake exerts a torque of 500 Nm on the inside rim of the wheel. Discover the initial angular velocity in units of rad/s and the number of revolutio..
What length is more likely to obtain larger error for period : In this experiment, the period of a pendulum was gauged when the pendulum's length varied between 20 cm and 100 cm. At what length is it more likely to obtain larger error for the period? Describe

Reviews

Write a Review

Physics Questions & Answers

  By how much will the mass be changed

A 11.9-g mass is suspended 1.47 cm above a nonconducting flat plate, directly above an embedded charge of q. If the mass has the same charge, q, how much must q be so that the mass levitates (just floats, neither rising nor falling)? If the charge..

  Estimate the comets maximum distance from the sun

Halley's comet has a period of approximately 76 years, Estimate the comet's maximum distance from the Sun in astronomical units (AUs) (the distance from the Earth to the Sun)

  Compute the longest wavelength of light

Ligh of wavelength 248nm is directed onto the surface of a metal, what is the longest wavelength of light which will eject electrons from this metal

  The click beetle can project itself vertically with an

the click beetle can project itself vertically with an acceleration of about 400g an order of magnitude more than a

  Evaluate the potential difference between the plates

In the Millikan oil-drop experiment, an electric field of 1.92 x105 N/C is maintained at balance across two platesseparated by 1.50 cm. Find the potential difference between the plates

  What is the entropy change of the gas

A 5.50-mol sample of H2 gas is contained in the left side of the container shown below, What is the entropy change of the gas

  Calculate the mass of neptune

The planet Neptune has a satellite, Proteus, which travels in an orbit 1.180*10^8 m with a period of 1.12 days. Calculate the mass of Neptune

  In a circus performance-monkey is strapped to a sled

In a circus performance, a monkey is strapped to a sled and bothare given an initial speed of 2.0 m/sup a 16.0° inclined track. The combined mass of monkeyand sled is 24 kg, and the coefficientof kinetic friction between sled and incline is 0.20. How..

  Calculate the total distance run by the dog

A woman and her dog are out for a morning run to the river, which is located 3.5 km away. The woman runs at 2.4 m/s in a straight line. What is the total distance run by the dog

  Find the acceleration of the box

A student moves a box of books by attaching a rope to the box and pulling with a force of 90.0 N at an angle of 30.0 degrees. Find the acceleration of the box

  Calculate what is its fundamental frequency

At T=20degreesC , how long must an open organ pipe be to have a fundamental frequency of 313Hz ? Q 2)If this pipe is filled with helium, what is its fundamental frequency

  If it is located at a radiusof 4.05 cm from axis of rotation

A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is usedin medical laboratories, for instance, to cause the more dense redblood cells to settle through the less dense bloo..

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