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lora16 [44]
3 years ago
6

If you were trying to describe the difference between power and work you could say:

Physics
2 answers:
avanturin [10]3 years ago
6 0
Power is the energy transferred or "WORK DONE" in one second
nordsb [41]3 years ago
5 0

Answer:

Explanation:

Work done is defined as the product of force in the direction of displacement and the displacement.

Work = force in the direction of displacement x displacement

It is a scalar quantity and its SI uni is Joule.

Power is defined as the rate of doing work.

Power = Work / time

It is also a scalar quantity and its SI unit is Watt.

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An atom with 6 protons and 5 electrons would be what kind of atom?
dybincka [34]

cation

anion is negatively charged, so more electrons then protons,

cation is positively charged, so more protons thatn electrons

4 0
4 years ago
Read 2 more answers
class 7 Physics answera plot measuring 2 km in length and 1 by 2 km in breadth has area of how many hectare ​
motikmotik

Answer:

Area of plot in hectare = 100 hectare

Explanation:

Given;

Length of plot = 2 km

Width of plot = 1/2 km = 0.5 km

Find:

Area of plot in hectare

Computation:

Area of plot = Length x width

Area of plot = 2 x 0.5

Area of plot = 1 square kilometer

1 square kilometer = 100 hectare

Area of plot in hectare = 1 x 100

Area of plot in hectare = 100 hectare

7 0
3 years ago
Which graph of motion shows the motion of an object in equilibrium?
Dovator [93]

Answer:

The graph line that doesn't change in amounts.

Explanation:

Meaning if its a straight line horizontally across it is in equilibrium. If you don't know what I mean, search up equilibrium graph, and it will show you what I am talking about.

8 0
3 years ago
Define scalar quantity​
joja [24]

Answer:

Scalar quantities are physical quantities which have a magnitude and direction.

e.g. in 5 km, 5 is the magnitude(number) and km is the unit.

some scalar quantities are mass, length, distance, speed, power, energy, temperature etc.

6 0
2 years ago
Read 2 more answers
A wheel is rotating freely at angular speed 530 rev/min on a shaft whose rotational inertia is negligible. A second wheel, initi
Grace [21]

Answer: 53\ rev/min

Explanation:

Given

angular speed of wheel is \omega_1 =530\ rev/min

Another wheel of 9 times the rotational inertia is coupled with initial wheel

Suppose the initial wheel has moment of inertia as I

Coupled disc has 9I as rotational inertia

Conserving angular momentum,

\Rightarrow I\omega_1=(I+9I)\omega_2\\\\\Rightarrow \omega_2=\dfrac{I}{10I}\times 530\\\\\Rightarrow \omega_2=53\ rev/min

5 0
3 years ago
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