alia9027 alia9027

20-12-2019
Chemistry

contestada

07. what is the velocity of a 500kg elevator that has 4000J of energy?
1) Givens & Unknown:
2) Formula:
3) Sub & Solve:

Respuesta :

27-12-2019

Answer:

v = 4 m/s

Explanation:

Given data:

Mass of elevator = 500 kg

Energy = 4000 j

Velocity = ?

Solution:

1/2 mv² = 4000 j

1/2 (500 kg)v² = 4000 j

v² = 4000 j×2 / 500 kg

v² = 4000 kg. m²/s² ×2 / 500 kg

v² = 8000 kg. m²/s² / 500 kg

j = kg. m²/s²

v² = 16 m²/s²

v = 4 m/s

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

The articles of confederation failed to give the new government power to______?

Suppose that 25 days are chosen at random from a calendar. Explain why at least 3 of the 25 days must lie in the same month. Do some research to find the name o

The total cost C (in dollars) to participate in a ski club is given by the literal equation C=85x+60, where x is the number of ski trips you take. A. Solve the

Bryce, a mouse lover, keeps his four pet mice in a roomy cage, where they spend much of their spare time–when they\'re not sleeping or eating–joyfully scamperin

A flat disk of radius 0.50 m is oriented so that the plane of the disk makes an angle of 30 degrees with a uniform electric field. If the field strength is 713.

According to a recent study of Italian bus drivers, drivers who are paid by the number of passengers they transport have higher productivity than drivers who ar

To teach a tiger to jump through a flaming hoop, the tiger is first reinforced for jumping up on a certain pedestal, then for leaping from that pedestal to anot

Mary is in the delivery room giving birth to her first child. Her cervix is sufficiently dilated and the baby's head has started to move through the cervix into

Which of the following is an arithmetic sequence? -7/11 6/11 -5/11 4/11....

Which of the following is accurate regarding the role of the media in elections? Check all that apply. Campaign events are broadcast over the media. Both candid