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
Mkey [24]
3 years ago
10

What is the potential energy of a 20-kg safe sitting on a shelf 0.5 meters

Physics
1 answer:
ki77a [65]3 years ago
8 0

Explanation:

P.E=MGH

Where m is mass

Where G is Acceleration Due to Gravity

Where h is Height

So the parameters are M = 20kg

G = 9.8m/s

H = 0.5meters

P.E= 20x9.8x0.5

=98J.

So Ans. is A= 98J

You might be interested in
The greater the mass is in an object, the higher resistance to a change in movement the object will have. Please select the best
Fofino [41]
This statement is true. The greater the mass is in an object, it is indeed the higher resistance to a change in movement the object will have. That only mean that the mass of an object and its resistance to change of movement is directly proportional.
3 0
3 years ago
What is the ability to complete extended periods of physical activity?
Galina-37 [17]

Answer:

D) WELLNESS

Explanation:

3 0
3 years ago
Read 2 more answers
A ball is thrown down vertically with an initial speed of 31 ft/s from a height of 40 ft. (a) What is its speed just before it s
ICE Princess25 [194]

Answer:

a. 41.96ft/s

b. 1.096s

Explanation:

a. v²=u²+2gs

v²=31²+2×10×40

V=41.96ft/s

b. t=(v-u) /g

t=(41.96-31)/10

t=1.096s

5 0
3 years ago
Why is it important that home circuits are wired with parallel circuits?
Arlecino [84]

Answer:

Parallel circuits are used in homes because the loads can be operated independently of each other. That means that you can have an electrical item turned on and running without needing to have all of the other loads on and running as well.

5 0
3 years ago
Electrons are allowed "in between" quantized energy levels, and, thus, only specific lines are observed. The energies of atoms a
lawyer [7]

Answer:

This is because The energies of atoms are quantized.

Electrons are allowed "in between" quantized energy levels, and, thus, only specific lines are observed

5 0
3 years ago
Other questions:
  • Gary is trying to think of an object that could model a sunspot. His teacher tells him that such an object might be found right
    7·2 answers
  • A space station sounds an alert signal at time intervals of 1.00 h . Spaceships A and B pass the station, both moving at 0.400c0
    7·1 answer
  • A measure of your memory in which you need to pick the correctly learned answer from a displayed list of options is known as a m
    9·2 answers
  • An antitussive is a A. non-productive cough. B. cough-suppressant medication. C. cough medication used for drying up secretions.
    12·2 answers
  • Which best explains the relationship between heat energy and temperature?
    10·1 answer
  • Erica throws a tennis ball against a wall, and it bounces back. Which force is responsible for sending the ball back to Erica? t
    11·2 answers
  • An airplane changes its velocity uniformly from 150 m/s to 60 m/s in 15 s. Calculate:
    13·1 answer
  • A boy of mass, m weights 895 N. What is his mass, m?
    11·1 answer
  • Can sound travel through space? Why or why not?
    10·1 answer
  • Buguygyuguygkiutt67t876y
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!