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

  What horizontal distance did the froghopper cover

The froghopper, Philaenus spumarius, holds the world record for insect jumps. What horizontal distance did the froghopper cover for this world-record leap

  What is the mass of the sculpture

A heavy piece of hanging sculpture is suspended by a 146.0 cm long, 8.03 gm wire. When the wind blows hard, wire hums at its fundamental frequency of 113.0 Hz. What is the mass of the sculpture (in kg) assume that the local acceleration due to gravit..

  What the first cars speed would have been at the bottom

A 950kg car is at the top of a 40m -long, 2.5 degree incline. What the first car's speed would have been at the bottom had it not struck the second car

  Obtain how much energy is stored in the capacitor

A capacitor has parallel metal plates of dimensions 12 cm *24 cm seperated by an air gap of .750 mm. the plates are given opposits charges +25 uc, -25uc. find how much energy is stored in the capacitor

  Find the polarizing angle

A light beam of wavelength 500 nm in air hits transparent material. When the angle of refraction is 40.0 degrees, Find the polarizing angle

  A dolphin leaps out of the water at an angle of 233 deg

a dolphin leaps out of the water at an angle of 23.3 deg above the horizontal. the horizontal component of the dolphins

  Estimate what is the wavelength of the photon emitted

A hydrogen like ion Mg 11+ drops from its n=2to its n=1 level. What is the wavelength of the photonemitted? What sort of radiation is this

  What is the average power supplied by the oscillator

Transverse waves of amplitude 0.8 mm travel at 60 m/s along a ropeof linear mass density 3.5 g/m. A 50 Hz oscillator is connected toone end.  What is the average power supplied by the oscillator

  What rate is its angular momentum changing

A certain drawbridge can be modeled as a uniform 1.60×104N bar, 10.0m long, pivoted about its lower end. When this bridge is raised to an angle of 60.0 above the horizontal, the cable holding it suddenly breaks, allowing the bridge to fall. At the..

  Say the electrical company needs to step down the voltage

say the electrical company needs to step down the voltage from 7200v rms in the power line behind your house to the

  The 100kg cart b are both essentially the same value of 050

if the coefficients of static and kinetic friction between the 20kg block a and the 100kg cart b are both essentially

  Determine the maximum speed the car

A 2500 kg car rounds a flat curve of radius 75 m at speed of 80 km/h. if the pavement is icy and the force of static friction is 6000 n, what is the maximum speed the car could safely go around the curve

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