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dlinn [17]
2 years ago
10

If Juan upgrades from a sports car to a large truck, what will happen to the

Physics
1 answer:
vovikov84 [41]2 years ago
4 0

Answer:

The force will have to increase

Explanation:

Since Juan has upgraded from a sports car to a large truck, based on Newton's second law of motion, the force needed to keep the truck going at the same speed will have to increase.

 According to Newton's second law "the force on an object is equal to the product of its mass and acceleration".

       Force  = mass x acceleration

A truck has a larger mass compared to a sports car.

By virtue of this, to make sure both automobiles attain the same speed, the force powering them to accelerate must be the same.

 Therefore, the force from the engine must increase.

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An airplane has wings, each with area A, designed so that air flows over the top of the wing at 265 m/s and underneath the wing
exis [7]

Answer

given,

Pressure on the top wing = 265 m/s

speed of underneath wings = 234 m/s

mass of the airplane =  7.2 × 10³ kg

density of air =  1.29 kg/m³

using Bernoulli's equation

 P_1 + \dfrac{1}{2}\rho v_1^2 = P_2 + \dfrac{1}{2}\rho v_2^2

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 \Delta P =9977.5 Pa

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2 Δ P x A - mg = 0

A =\dfrac{mg}{2\Delta P}

A =\dfrac{7.2\times 10^3 \times 9.8}{2\times 9977.5}

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7 0
3 years ago
A woman has a mass of 55kg on earth, what is her mass on the moon​
KengaRu [80]

Answer:

55 kg

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Mass does not change and is not dependant on gravity. So even though your weight will be less on the moon your mass won't change.

7 0
3 years ago
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slavikrds [6]

Answer:

12:00 A.M. (midnight)

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If it is the middle of the night, not many people will use electricity because most people are sleeping

Hope this helps! :)

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2 years ago
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