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
zloy xaker [14]
3 years ago
9

Suppose you exert a 400-N force on a wall but the wall does not move. The work you are doing on the wall is : unknown, because t

he mass of the wall is not given
zero, because the wall is not moving
3920 J
400 J
Physics
1 answer:
Ilya [14]3 years ago
6 0

Answer:

W = 0 :The work done on the wall is zero,because the wall is not moving

Explanation:

Work theory

Work is the product of a force applied to a body and the displacement of the body in the direction of this force.

W= F*d Formula (1)

W: Work (Joules) (J)

F: force applied (N)

d=displacement of the body (m)

The work is positive (W+) if the force goes in the same direction of movement.

The work is negative (W-)if the force goes in the opposite direction to the movement

Data

F= 400-N

d= 0

Problem development

We apply formula (1) to calculate the work done on the wall:

W= 400*0

W=0

You might be interested in
Suppose you are an astronaut and you have been stationed on a distant planet. You would like to find the acceleration due to the
Maksim231197 [3]

Answer:

<h3> 1.40625m/s²</h3>

Explanation:

Using the equation of motion expressed as v = u+gt where;

v is the  final velocity of the ball

u is the initial velocity

g is the acceleration due to gravity

t is the time taken

Given

u = 9m/s

v = 0m/s

t = 6.4s

Required

acceleration due to gravity g

Since the rock is thrown up, g will be a negative value.

v = u+(-g)t

0 = 9-6.4g

-9 = -6.4g

6.4g = 9

divide both sides by 6.4

6.4g/6.4 = 9/6.4

g = 1.40625m/s²

Hence the acceleration due to gravity on the planet is  1.40625m/s²

6 0
3 years ago
Pls help me with this fast. I will mark brainiest
denis23 [38]

Answer:

a) 70, 95

b) 95-70= 25cc

c) density= mass/volume

102/25

=4.08g/cc

5 0
3 years ago
A PERSON GETTING OUT OF MOVING BUS FALLS IN THE DIRECTION OF MOTION OF THE BUS. WHY? ​
djverab [1.8K]

Answer:

PLEASE MARK AS BRAINLIEST!!

Explanation:

A getting passenger getting down from a moving bus, falls in the direction of the motion of the bus. This is because his feet come to rest on touching the ground and the remaining body continues to move due to inertia of motion.

3 0
2 years ago
Read 2 more answers
A wheel rotates at 24 revolutions every 3 minutes. This is equivalent to
mrs_skeptik [129]
8 revolutions every minute
8 0
2 years ago
The speed of light ________ when light goes through glass.
Gala2k [10]
What happens when the light hits the glass depends on what it was in before it hit the glass.

WHILE it's in the glass, the speed of light doesn't change.
6 0
3 years ago
Other questions:
  • What happens to the electronegativity of elements as you move from bottom left to upper right across the periodic table?
    13·1 answer
  • Put the steps of the scientific method in order from first to last?
    9·1 answer
  • A man on the moon with a mass of 90 kilograms weighs 146 newtons. The radius of the moon is 1.74 x 106 meters, find the mass of
    13·2 answers
  • Light moves at a speed of around 1 million miles per hour<br>O<br>True<br>False​
    15·2 answers
  • What objects can be seen from earth because they producde there own light? 
    14·1 answer
  • Are outer planets gaseous
    6·1 answer
  • What happens when two forces act in the same direction?
    14·2 answers
  • PLEASE HELP! WILL MARK BRAINLIEST!
    9·1 answer
  • A Hunter points his gun at a squirrel on a branch of a tree away from him. Assume he lies on the ground and that the moment he f
    13·1 answer
  • A solid sphere of radius 40.0cm has a total positive charge of 26.0μC uniformly distributed throughout its volume. Calculate the
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!