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2 years ago

The two forces acting on a skydiver are and air ___.

Physics

2 answers:

Ivan2 years ago

8 0

Answer:

Gravity and

Air resistance

Explanation:

Stolb23 [73]2 years ago

3 0

Answer:

Gravity and

Air resistance

Explanation:

The two forces acting on a skydiver are gravitational force and air resistance.

Gravitational force is a force that tends to pull all massive bodies towards the center of the earth. It works on all bodies that has mass. The larger or bigger the mass, the more the pull of gravity on the body.

Air resistance is the drag of air on a body as it passes to it. It is resisting force.

When a sky diver jumps out of a plane, he/she encounters both gravity and air resistance.
It soon balances both force and attain terminal velocity.
Air resistance is a frictional force that opposes motion.
This frictional force pushes in the opposite direction of motion
Motion direction is downward due to the celerity caused by gravity.

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Ratling [72]

Answer

given,

time = 10 s

ship's speed = 5 Km/h

F = m a

a is the acceleration and m is mass.

In the first case

F₁=m x a₁

where a₁ = difference in velocity / time

F₁ is constant acceleration is also a constant.

Δv₁ = 5 x 0.278

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a₁ = 0.139 m/s²

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$a_3=\dfrac{5.282}{10}$

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a₃ = a₂ + a₁

0.5282 = a₂ + 0.139

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The two forces acting on a skydiver are __________ and air _____________.

The two forces acting on a skydiver are and air ___.