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
Semmy [17]
3 years ago
7

Two blocks a and b ($m_a>m_b$) are pushed for a certain distance along a frictionless surface. how does the magnitude of the

work that a does on b compare to the magnitude of the work that b does on a?
Physics
1 answer:
Yuki888 [10]3 years ago
3 0

Answer:

the magnitude of the work done by the two blocks is the same.

Explanation:

The work done by block a on block b is given by:

W_a = F_a d

where Fa is the force exerted by block a on block b, and d is the distance they cover.

The work done by block b on block a is given by:

W_b = F_b d

where Fb is the force exerted by block b on block a, and d is still the distance they cover.

For Newton's third law, the force exerted by block a on block b is equal to the force exerted by block b on block a, therefore

F_a = F_b

and so

W_a=W_b

You might be interested in
A magnetic field is directed perpendicular to the plane of a 0.15-m × 0.30-m rectangular coil consisting of 240 loops of wire. T
ValentinkaMS [17]

Answer:

7.344 s

Explanation:

A = 0.15 x 0.3 m^2 = 0.045 m^2

N = 240

e = - 2.5 v

B1 = 0.1 T

B2 = 1.8 T

ΔB = B2 - B1 = 1.8 - 0.1 = 1.7 T

Δt = ?

e = - dФ/dt

e = - N x A x ΔB/Δt

- 2.5 = - 240 x 0.045 x 1.7 / Δt

2.5 = 18.36 / Δt

Δt = 7.344 s

6 0
3 years ago
You have a 10 volt parallel circuit, with 2 resistors on it. What is the voltage across the first resistor? Across the second?
zheka24 [161]
What is the value of the resistors?  There are many types of resistors with different values for how much resistance they provide

Edit: My bad.  Where are the resistors located
3 0
3 years ago
Read 2 more answers
Soapy water between surfaces
Inessa [10]

Answer:

<em>A</em><em>.</em><em>increases</em><em> </em><em>friction</em>

Explanation:

6 0
2 years ago
Read 2 more answers
What is resonance frequency?
Bogdan [553]
A natural frequency of vibrations determined by the physical parameters of the vibrating object.
5 0
3 years ago
Read 2 more answers
Large vehicles need more room to make turns. when you approach an intersection and see a truck ahead signaling a right turn, you
netineya [11]
This statement is false.
The correct statement would be,
"W<span>hen you approach an intersection and see a truck ahead signaling a right turn, you should stay behind the truck, away from the curbside, until the turn is completed."

Larger vehicles require a larger space to turn, being next to the truck and close to the curbside will only make it more difficult for the truck driver to complete the turn. This in turn will waste more time or even block traffic while the truck driver tries to complete the turn in the difficult situation that could have easily been avoided.</span>

4 0
3 years ago
Other questions:
  • A proton with a speed of 3.2 x 106 m/s is shot into a region between two plates that are separated by a distance of 0.23 m. As t
    6·1 answer
  • What type of magnetism is present in a magnet that you use to place a photograph on the refrigerator?
    12·2 answers
  • Which vector is the sum of the vectors shown below?
    8·1 answer
  • A small turbo-prop commuter airplane, starting from rest on a Lansing airport runway, accelerates for 22.5s before taking off. I
    6·1 answer
  • Near the center of our galaxy, hydrogen gas is moving directly away from us in its orbit about a black hole. The electromagnetic
    12·1 answer
  • ILL GIVE YOU ANYTHING TO ANSWER THIS!! IM HELPING MY CRUSH AND IDK THE ANSWER TO THIS PLZ HELP!
    14·1 answer
  • A pressure of 7x10^5N/m is applied to all surfaces of a copper cube (of sides 25 cm) what is the fractional change in volume of
    12·1 answer
  • State four factors affecting thermal conductivity​
    9·1 answer
  • ANOTHER PHYSICS QUESTION PLEASE HELP!
    10·1 answer
  • Which model could represent a neutral atom of boron?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!