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
Assoli18 [71]
3 years ago
12

Please answer all of these questions and you will get the brainlist

Physics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

Answer:

1. L=mgh= 0.1x4x9.8=4.0J

2. L= 2x3x9.8=59J

You might be interested in
The other name for 'net force' is 'unbalanced force'. What is the name of the force that could be applied to an object that woul
vivado [14]

Answer:

Since these two forces are of equal magnitude and in opposite directions, they balance each other. The book is said to be at equilibrium. There is no unbalanced force acting upon the book and thus the book maintains its state of motion. When all the forces acting upon an object balance each other, the object will be at equilibrium; it will not accelerate.

Explanation:

5 0
3 years ago
An ice cube tray full of water is put into a freezer. The water eventually reaches 0ºC and undergoes a phase change from a liqui
jek_recluse [69]

Answer:

a

Explanation:

the kinetic energy decreases which makes the molecules bond together, that makes them not be able to move much

3 0
3 years ago
Perception is the psychological process in which sensory input is __________.
Artist 52 [7]
D
Explanation
Nothing
3 0
3 years ago
A 20 kg crate of books is at rest on a table. what is the normal force on the books?
Umnica [9.8K]

The weight of 20 kg is

                             (mass) x (gravity) =

                                   (20 x 9.8) = 196 newtons, downward.

There must be a force of 196 newtons upward on the mass. 
Otherwise the mass is accelerating either up or down.
 
4 0
3 years ago
a weather balloon slowly expands as energy is transferred as heat from the outside air. if the average net pressure is 1.5×10^5m
Alexxx [7]
There is only one pressure this situation would be a "constant pressure" process
3 0
4 years ago
Read 2 more answers
Other questions:
  • Two two advantages and hazards of nuclear reaction.
    12·1 answer
  • 1.
    13·1 answer
  • If Ike notices that there is a new moon tonight, when should he expect there to be a new moon again?
    11·1 answer
  • An engineer is considering possible trajectories to use for emergency descent of a lunar module from low moon orbit to the lunar
    7·1 answer
  • cell membranes contain channels that allow K + ions to leak out consider channel that has diameter of nm and length of nm if cha
    7·1 answer
  • The aqueous humor in a person's eye is exerting a force of 0.242 N on the 1.21 cm2 area of the cornea. What pressure is this in
    10·1 answer
  • Particles in a substance move __ when more thermal energy is transferred to that object.
    12·2 answers
  • Which of the sequences below accurately orders the waves from lowest frequency to highest frequency?
    12·1 answer
  • Review Conceptual Example 8 before starting this problem. A block is attached to a horizontal spring and oscillates back and for
    7·1 answer
  • A 3.0-kg ball with an initial velocity of (4.0i + 3.0j) m/s collides with a wall and rebounds with a
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!