1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sergio [31]
3 years ago
5

you (60 kg) are standing in a (500 kg) elevator that is moving upwards from a ground floor on a building what is the power ratin

g of the motor that can lift this elevator if the elevator travels a distance of 20m upwards in 15 s
Physics
1 answer:
PtichkaEL [24]3 years ago
5 0

Explanation:

Power = work / time

Power = force × distance / time

P = (650 kg) (10 m/s²) (20 m) / (15 s)

P = 8667 W

You might be interested in
Which of the following is an example of sound energy
dedylja [7]
Sound energy is produced when an object vibrates so an example would be a telephone ringing or someone playing a bass guitar 
4 0
3 years ago
A hockey puck slides 55.0 m along the length of the rink in just 1.25 s. The slight friction between the puck and the ice provid
topjm [15]

Answer:

44.8 m/s

Explanation:

Use the Initial Speed Formula:

InS = 2(d/t) - Final Speed

InS = 2(55/1,25) - 43.2

InS = 2.44 - 43,2

InS = 88 - 43,2

InS = 44.8 m/s

3 0
2 years ago
What is the dimensional formula of torque and force ​
ch4aika [34]

✿━━━━@♥ℳg━━━━✿

<h2>\boxed{Explained\:Answer}</h2>

______________________________

✿━━━━@♥ℳg━━━━✿

Torque = Force X Displacement

= MLT-2 X L = [M1L2T-2]

The dimensional formula of force is MLT^-2

6 0
3 years ago
Read 2 more answers
Ndividuals living in highly populated areas are more inclined to _______.
V125BC [204]

Answer:

B. Social Interaction.

Explanation:

6 0
3 years ago
A survey in a magazine that asks readers to return the survey would result in:
Angelina_Jolie [31]
D - Most likely. Those who read the magazine can choose whether or not to return the survey.
4 0
3 years ago
Other questions:
  • How much energy must be transferred out of the system as heat q to lower its temperature to 0∘c? express your answer numerically
    15·1 answer
  • Help me please the question of science.
    6·1 answer
  • What's the pressure on solids
    15·1 answer
  • Two imaginary spherical surfaces of radius R and 2R respectively surround a positive point charge Q located at the center of the
    7·1 answer
  • As long as the net force on a falling object is not zero, the object will...
    15·1 answer
  • Which type of motor uses a brush and commutator to operate?
    7·2 answers
  • Three point charges lie in a straight line along the y-axis. A charge of q1 = -10.00 µC is at y = 6.40 m, and a charge of q2 = -
    6·1 answer
  • What is one common product use microwaves<br><br><br><br> dont have much timeee
    10·1 answer
  • What is the average velocity of Runner C for the first 15 seconds? Question 5 options: 1.3 m/s -2.7 m/s -1.3 m/s 2.7 m/s
    15·2 answers
  • If car is going at a speed of 80 km/h how far will it travel in two hours
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!