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storchak [24]
3 years ago
12

Wyatt is moving a box with a mass of 37 kg a distance of 37 meters. Wyatt did 360 J of work in 2 minutes when moving the box. Wh

at was his power output? A) 9.72 W B) 3 W C) 180 W D) 323 W
Physics
2 answers:
pentagon [3]3 years ago
7 0
His power output was 3 Watt (360 Joule/120 seconds). The power output can be calculated by dividing the quantity of work by the amount of second needed for the activity and also by multiplying the force amount with the velocity of the activity. The power output usually used for measuring the ability of machine for doing its job.
enot [183]3 years ago
4 0

Answer:

Power output, P = 3 watts

Explanation:

It is given that,

Work done by Wyatt, W = 360 J

Time taken, t = 2 minutes = 120 s

We need to find the power output. It is given by:

P=\dfrac{W}{t}

Where

W = work done

t = time taken

So, P=\dfrac{360\ J}{120\ s}

P = 3 Watts

So, the power output is 3 to watts. Hence, this is the required solution.

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C) Oxygen and hydrogen share electrons with each other.

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Explain how the density of a gas is different from the density of a liquid.
zavuch27 [327]

Answer

The same number of particles in a gas spread further apart than in the liquid or solid states.

Explanation:

The same number of particles in a gas spread further apart than in the liquid or solid states. The same mass takes up a bigger volume. This means the gas is less dense. Density also depends on the material.

7 0
3 years ago
Passengers in a high-flying jumbo jet feel their normal weight in flight, while passengers in an orbiting space vehicle do not,
daser333 [38]

Answer:E none of the above

Explanation:

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4 0
3 years ago
Your shopping cart has mass of 65 kg. In order of accelerate the shopping cart down an aisle at 0.3 m/sec^2, what force would yo
aleksklad [387]
Fnet = m x a
= 65kg x 0.3m/s^2
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4 0
3 years ago
Two particles of mass 1 kg each are attached to a massless rod a distance of 1 m and 2m respectively from the axis of rotation.
Firlakuza [10]

Answer:

Option (d)

The angular momentum of the system is 5 Kg-m²/s

Explanation:

Angular momentum: Angular momentum is the product of angular velocity and of moment of inertia.

Angular momentum is dented by L

And the unit of angular momentum is Kg-m²/s

L= I×ω  

I is momentum of inertia

ω is angular velocity.

The unit of angular velocity  is red/s.

Momentum of inertia : Momentum of inertia is the sum  square the perpendicular distance from the rotational axis to of product mass of each particle of the body.

I=\sum Mr^2

The S.I unit of momentum of inertia is kg-m²

The angular momentum of a system is:

L= ∑I ω

  =∑ Mr²ω      [ Since I=\sum Mr^2]

Given , M= 1 kg,  r₁=1 m , r₂= 2 m and   ω = 1 rad/s.

The angular momentum of the system is

L= Mr₁²ω+Mr₂²ω

  = Mω(r₁²+r₂²)

 = {1×1 (1²+2²)}

=5 Kg-m²/s

5 0
3 years ago
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