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Sergeu [11.5K]
2 years ago
8

50 N

Physics
1 answer:
Mariana [72]2 years ago
5 0

The work is done by the force pushing the mower is determined as 500 J.

<h3>Work done by the force</h3>

The work done by the force is calculated as follows;

W = Fsinθ x d

where;

  • Fsinθ = Fx  is the applied force parallel to the ground
  • d is the distance
  • θ is the angle of inclination

W = Fx(d)

W = 25 x 20

W = 500 J

Thus, the work is done by the force pushing the mower is determined as 500 J.

Learn more about work done here: brainly.com/question/8119756

#SPJ1

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7nadin3 [17]

Answer:

Magnetic field at the center will be 215.314\times 10^{-7}T

Explanation:

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B=\frac{\mu _0i}{2R}

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Magnetic field at the center will be 215.314\times 10^{-7}T

8 0
3 years ago
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rosijanka [135]
Kinetic energy =(1/2) (mass) (speed²)

First object:  KE = (1/2) (2 kg) (2m/s)² =  4 joules during the lift.

Second object:  KE = (1/2) (4kg) (3 m/s)² = 18 joules during the lift.

The second object has more kinetic energy while it's being lifted
than the first object has while it's being lifted. Once they reach their
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4 years ago
Light does not move infinitely fast but has a finite speed. We normally use ""c"" to indicate the speed of light in science. Wri
Ede4ka [16]

Answer:

6.71 × 10^8 mi/hr

Explanation:

Light is usually defined as an electromagnetic wave that is comprised of a definite wavelength. It is of both types, visible and invisible. The light emitted from a source usually travels at a speed of about 3 × 10^8 meter/sec. This speed of light is commonly represented by the letter 'C'.

To write it in the metric system, it has to be converted into miles/hour.

We know that,

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60 minutes = 1 hour

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Now,

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= \frac{1.08 \times\ 10^{12} meter \times\ 1 km \times\ 1 miles}{1 hr \times\ 1000 meter \times\ 1.6 km}

= 6.71 × 10^8 mi/hr (miles/hour)

Thus, the value for speed of light (C) in metric unit is 6.71 × 10^8 mi/hr.

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3 years ago
What is the longest bone in your body
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