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zavuch27 [327]
3 years ago
13

Calculate the amount of power in Watts) required to move an object weighing 525 N from point A to point B within 36 seconds. Dis

tance between point A and point B is 3.5 meters and they are at the same level.
Physics
1 answer:
MAVERICK [17]3 years ago
4 0

Answer:

Power required, P = 0 watts

Explanation:

It is given that,

Weight of the object, W = 525 N

Time taken to move from point A to B is, t = 36 s

Distance between A and B is 3.5 m.

Power required to move an object is given by work done divided by time taken.

P=\dfrac{W}{t}

Work done, W=Fd\ cos\theta

The weight of the object is acting in downward direction and object is moving in forward direction such that \theta=90

W=Fd\ cos(90)

Since, cos(90) = 0

This gives, work done = 0

As a result, the power required to move that object is 0 watts. Hence, this is the required solution.

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Answer:

Mass and Velocity

Explanation:

Momentum = Mass  X Velocity

or p=m' x v

since in physics p is quantity momentum and m stands for mass and v stands for velocity.

Hope this helps :)

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What is the effect on the force of gravity between two objects if the mass of one object doubles?
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3 years ago
An object that is completely or partially submerged in fluid experience an upward force called?​
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2 years ago
A net force of 345 N accelerates a boy on a sled at 3.2 m/s^2 . What is combined mass of the sled
Daniel [21]

Answer:

Mass, m = 26.54kg

Explanation:

Net force can be defined as the vector sum of all the forces acting on a body or an object i.e the sum of all forces acting simultaneously on a body or an object.

Mathematically, net force is given by the formula;

Fnet = Fapp + Fg

Where;

  • Fnet is the net force
  • Fapp is the applied force
  • Fg is the force due to gravitation

<u>Given the following data;</u>

Net force, Fnet = 345

Acceleration, a = 3.2m/s²

<u>To find mass;</u>

Fnet = Fapp + Fg

Fnet = ma + mg

Fnet = m(a+g)

m = Fnet/(a+g)

We know that acceleration due to gravity, g = 9.8m/s²

Substituting into the equation, we have;

m = 345/(3.2 + 9.8)

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Mass, m = 26.54kg

6 0
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