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
Sholpan [36]
4 years ago
9

Which of the following is NOT an example of work?

Physics
1 answer:
marysya [2.9K]4 years ago
3 0
I think the answer is c.<span>holding a tray in the cafeteria line</span>
You might be interested in
Kepler’s third law states that for all objects orbiting a given body, the cube of the semimajor axis (A) is proportional to the
GarryVolchara [31]

Explanation:

Kepler’s third law states that for all objects orbiting a given body, the cube of the semimajor axis (A) is proportional to the square of the orbital period (P).

For each of our planets orbiting the Sun, the relationship between the orbital period and semimajor axis can be represented by the equation as:

P^2=kA^3

k is constant of proportionality

It is required to solve the above equation for k

k=\dfrac{P^2}{A^3}

8 0
3 years ago
You push a 15N cat in a box horizontally across the floor for 5m. What is the work done on the cat? W=Fx
scZoUnD [109]

Answer:

w=fx

w=(15)(5)

w=75

the angle between the deplacement and N is 0

3 0
2 years ago
A battery charger is connected to a dead battery and delivers a current of 8.9 A for 4.7 hours, keeping the voltage across the b
adell [148]

Answer:

1807.56 kJ

Explanation:

Parameters given:

Current, I = 8.9A

Time, t = 4.7hrs = 4.7 * 3600 = 16920 secs

Voltage, V = 12V

Electrical energy is given as:

E = I*V*t

Where I = Current

V = Voltage/Potential differenxe

t = time in seconds.

E = 8.9 * 12 * 16920

E = 1807056 J = 1807.056 kJ

3 0
4 years ago
Read 2 more answers
What is the difference between a bar magnet and an electromagnet? (check all that are
lukranit [14]

Answer:

D and A

Explanation:

Hint The basic difference between them is that a bar magnet is a permanent magnet whereas an electromagnet is a temporary magnet. An electromagnet is formed when an electric current is passed through wires wound around soft metalcore. An electromagnet loses its magnetism once the current flow is stopped.

5 0
3 years ago
A feather is dropped onto the surface of the moon. How far will the feather have fallen if it reaches the surface in 9.00 second
Natali5045456 [20]

The feather's vertical position y is determined by

y=\dfrac12g_{\text{moon}}t^2

We take the feather's starting position to be the origin, and the downward direction to be positive. Then

y=\dfrac12\left(1.63\,\dfrac{\mathrm m}{\mathrm s^2}\right)\left(9.00\,\mathrm s\right)^2=66.0\,\mathrm m

so the answer is D.

3 0
3 years ago
Other questions:
  • Two billiard balls with the same mass undergo a perfectly elastic head-on collision. if one ball's initial speed was 2 m/s, and
    12·1 answer
  • Mendeleev noticed that if he organized the elements by atomic weight certain patterns emerged. For instance, elements in the sam
    12·2 answers
  • If an earthquake occurred in Miami, Florida, then how long would it take for a seismic station in Seattle, Washington, to pick u
    15·1 answer
  • What happens to the magnetic force as the distance between two magnetic poles decreases
    5·1 answer
  • Assume that 10 waves pass a fixed point in 5 seconds. What is the frequency of the waves in hertz?
    8·1 answer
  • How do intensity, frequency, and time affect physical fitness?
    5·1 answer
  • Our solar system is made up of the Sun, 8 planets, and other bodies such as
    14·1 answer
  • Which of the following materials would want an electric cord insulated with so you do not get shocked?
    6·2 answers
  • I'LL MARK U BRAINLIST!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    8·1 answer
  • Which best compares radiation and conduction?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!