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
siniylev [52]
3 years ago
6

If an object with a mass of 248kg is lifted 76 meters in 18 seconds, how much power is used?

Physics
1 answer:
Jlenok [28]3 years ago
3 0

Explanation:

power = 1/2 mass × velocity^2 >>1

velocity = distance / time = 76 /18 = 4.2m

then power = 1/2 × 276 × (4.2)^2 = 138 × 17.64 = 2,434.3 jules.

You might be interested in
Which best esplains how the body maintains homeostasis.
Lisa [10]

a. all systems work together to stabilize the body

8 0
2 years ago
Read 2 more answers
5 What is the kinetic energy of a 28 kg car moving at a velocity of 7 m/s O 1963 98 686 J O 350 nocter diagram, at which point w
Shtirlitz [24]

Answer:

98 joules

Explanation:

1/2 of 28 = 14

14 multiply by 7= 98 joules

4 0
2 years ago
I NEED PHYSICS HELP ASAP! DO NOT GUESS! I WILL GIE BRAINLEIST IF RIGHT! THANKS! :D
ale4655 [162]
<span>The repelling of the support magnet decreases friction. is the answer you're looking for .  :)

hope i helped - beanz</span>
6 0
3 years ago
Read 2 more answers
When a wire loop is connected to a battery, what is produced in the loop?
Vinil7 [7]

Answer:

magnetic field

Explanation:

3 0
3 years ago
Popular<br> -Gra<br> Question 16<br> Points 1<br> The unit of impulse is
shusha [124]

Answer: The unit of impulse is applied to an object produces an equivalent vector change in its linear momentum, also in the same direction.

Explanation:

4 0
2 years ago
Other questions:
  • Which of the following are advantages of
    10·1 answer
  • You use an inclined plane to move furniture into a truck. You perform 352 kj of work, but only do 229 kj of useful work. What is
    8·2 answers
  • How may stars are in the sky
    6·2 answers
  • How much work (in J) is required to expand the volume of a pump from 0.0 L to 2.7 L against an external pressure of 1.0 atm?
    7·1 answer
  • A car moves at a constant velocity of 30 m/s and has 3.6 × 105 J of kinetic energy. The driver applies the brakes and the car st
    14·1 answer
  • How do chemical formulas represent compounds? <br> Help PLEASE
    8·2 answers
  • 1. calculate agni's average speed during the race.
    9·1 answer
  • Can a physical change, change what a substance is
    12·1 answer
  • Which country features the largest scale model of the solar system?.
    12·2 answers
  • To determine whether a celestial body is approaching or receding from earth, astronomers employ?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!