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damaskus [11]
3 years ago
5

What is the approximate terminal velocity of a sky diver before the parachute opens

Physics
1 answer:
anzhelika [568]3 years ago
6 0

Answer:

The approximate terminal velocity of a sky diver before the parachute opens is 320 km/h.

Explanation:

  • The terminal velocity is the maximum magnitude of velocity that is attained by the diver when he or she falls in the air.
  • The terminal velocity of the person diving in air before opening parachute is 320 km/h that means the velocity when the person is experiencing free fall is 320 km/h.
  • During terminal velocity, we can represent mathematical equation as;

                           Buoyancy force + drag force = Gravity

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A race car exerts 18,344 N while the car travels at an acceleration of 92.54 m/s2. What is the mass of the car? (Use the formula
Maru [420]

Answer:

<h3>The answer is 198.23 kg</h3>

Explanation:

To find the mass of an object given it's mass and acceleration we use the formula

m =  \frac{f}{a}  \\

where

m is the mass

F is the force

a is the acceleration

From the question

a = 92.54 m/s²

F = 18,344 N

We have

m =  \frac{18344}{92.54}  \\  = 198.2277933...

We have the final answer as

<h3>198.23 kg</h3>

Hope this helps you

4 0
4 years ago
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What generates the magnetic field in a current carrying wire?
Fynjy0 [20]
The electricity causes the magnetic field. the electricity changes the magnetic waves around the wire causing the wires waves to change, creating an electro magnet
5 0
4 years ago
List the four outer planets from smallest to largest.<br> WILL MARK BRAINLIEST! ASAP
dusya [7]

Answer: Mercury, Mars, Venus, Earth, Neptune, Uranus, Saturn, and Jupiter.

Explanation:

That's all of the planets if you need them. Hope this helps!

8 0
3 years ago
7. A car travels a certain distance with a speed of
goblinko [34]
Let distance be x.

Time in going, t 1 = x/50

Time in coming, t 2 = x/40

Total time T = x/40 +x/50 = 9x/200

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=( x+x)/(9x/200)= 2x ×200/9x = 400/9 = 44.44 km/h
5 0
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Dima020 [189]

Answer: Distance is the actual position traveled by an object. Displacement is the shortest distance covered by the object.

Explanation:

Distance is the actual length covered by an object from one position to another. It is a scalar quantity. It cannot be negative.

Displacement is the shortest distance covered by the object. The displacement can be calculated by subtracting initial distance from the final distance. It is vector quantity. The displacement covered by an object can be zero, negative and positive.

Suppose, the boy travels from home to school then come back to his home. The distance between from his home to his school is 3 km.

In this case, the boy covers the total distance from home to school then to home is 6 km. But the displacement is zero because he comes to same position.

7 0
3 years ago
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