How much time does it take to lift the piano

Assignment Help Physics
Reference no: EM13556325

A 3 x 10^2 kg piano is being lifted at a steady speed from groundlevel straight up to an apartment 10.0 m above the ground. Thecrane that is doing the lifting produces a steady power of 4.00 x10^2 W. How much time does it take to lift the piano?
a. 73.5 s
b. 64.7 s
c. 55.1 s
d. 69.5 s
e. 60.0 s

Reference no: EM13556325

Questions Cloud

Earths rotation is gradually slowing-length of day increases : Because Earth's rotation is gradually slowing, the length ofeach day increases: The day at the end of 1.0 century is 1.0 mslonger than the day at the start of the century. In 16 centuries, what is the total (in hours) of the daily increases in tim..
What was the angular acceleration : The tires of a car make 75 revolutions asthe car reduces its speed uniformly from 100 km/h to 50 km/h. Thetires have a diameter of 0.80 m. What was the angular acceleration?
What was kinetic evergy when ball reached maximumheight : A 145-g ball was thrown into the air at an initial velocity of16 m/s. (Assume the ball started at ground level.) The ball reacheda maximum height of 13 m. What was the kinetic evergy when the ball reached maximumheight (before it started traveling do..
What is the magnitude of the net electricfield : Two particles are fixed to an x axis: particle 1 ofcharge -7.52 x 10-7 C is at the origin and particle 2 ofcharge +7.52 x 10-7 C is at x = 16.6 cm. Midwaybetween the particles, what is the magnitude of the net electricfield?
How much time does it take to lift the piano : A 3 x 10^2 kg piano is being lifted at a steady speed from groundlevel straight up to an apartment 10.0 m above the ground. Thecrane that is doing the lifting produces a steady power of 4.00 x10^2 W. How much time does it take to lift the piano?
Find the speed of the snow relative to the earth : A man observes snow falling vertically when he is at rest, but whenhe runs through the falling snow at a speed of 6.80 m/s, it appears to be falling at an angle of28.0° relative to the vertical. Find the speed of the snow relative to the earth.
A movig particle encounters an external electric field : A movig particle encounters an external electric field thatdecreases its kinetic energy from 9510 eV to 6610 eV as theparticle moves from position A to position B. Theelectric potential at A is -59.0 V, and that at Bis +24.0 V. Determine the charge o..
How large pressure in pascals would be required to compress : How large a pressure in pascals would be required to compress water by 10 percent? How high a column of water (in kilometers) would be needed to furnish this pressure?
Four identical charges are brought from infinity : Four identical charges (+4.0 µCeach) are brought from infinity and fixed to a straight line. The charges are located 0.20 m apart. Determine the electric potential energy of this group.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

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