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2 years ago

Help needed. The mass of an object times its velocity is the blank of the object ?

Physics

2 answers:

Kryger [21]2 years ago

4 0

Momentum.

Remember the formula p=mv?

Svetach [21]2 years ago

4 0

Momentum of an object is the product of mass and velocity.

<u>Explanation:</u>

Momentum is a quantity of motion of a moving body. Let us indicate mass of the object by m, and velocity of the object by v. It is a well-known concept that the mass of the object irrespective of its velocity or motion always remains constant.

And the velocity of the object might change when the distance travelled by the object or the time is said to vary. So the Momentum is required to force or speed the mass of an object.

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If I push on a wall with a force of 3500 N for 5 hours but the wall does not move, how much work have I done.

omeli [17]

#1). Work = (force) x (distance)
Since the distance is zero, the work is zero.

#2). But I've still gotta hand it to you in a big way.
There aren't many men who can push on a wall for 5 hours
with a force of nearly 790 pounds ! ! Work or no work.

6 0

2 years ago

All of the following are examples of positive direction except:

charle [14.2K]

Answer:

right

Explanation:

think of a compass theres N.E.S.W north, east, south, west

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2 years ago

Calculate the mass of a planet that exerts a 1.5 X 10 13 N force on a 5.4 x 10

astraxan [27]

Answer:

umm I also need help sorry

Explanation:

help..

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2 years ago

Read 2 more answers

The diagram shows the flow of water through a hydroelectric power station. The falling water

KonstantinChe [14]

Answer:

KE = $\frac{1}{2}$ m $v^{2}$

Explanation:

In the generation of energy from hydroelectric power station, the motion of water, and the turbines are paramount. The falling flowing water turns the blades of the turbine, which in-turn causes the movement of a coil within a strong magnetic field.

The motion of the coil which cuts the strong magnetic field induces current. Thus, the system generates electrical energy.

The equation that links kinetic energy (KE), mass (m) and speed (v) can be expressed as:

KE = $\frac{1}{2}$ m $v^{2}$

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2 years ago

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SpyIntel [72]

I can only offer you one which is mushroom. They're fungus' and they can't produce their own food. They get their food from decaying and dead animals and absorb it through their roots.

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2 years ago