3 years ago

"Without forces there can be no movement"- Do you agree with this statement? Why or Why not?

1 answer:

6 0

Answer: Yes.

Explanation: It is clearly stated in Newton’s first law of physics that an object will not change its motion unless a force acts on.

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At 15 minutes, the soil temperature at a 90° angle of insolation is higher than at 45°

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Beginning 145 miles directly south of the city of Hartville, a car travels due west. If the car is travelling at a speed of 42 m

ziro4ka [17]

Answer:

The rate of change of the distance is 14.89.

Explanation:

Given that,

Distance = 145 miles

Speed of car = 42 miles/hr

Distance covered by car = 55 miles

We need to calculate the the rate of change of the distance

According to figure,

Let OA is x, and AB is y.

Now, using Pythagorean theorem

$x^2=y^2+145^2$

On differentiating

$2x\dfrac{dx}{dt}=2y\dfrac{dy}{dt}$

$\dfrac{dx}{dt}=\dfrac{y}{x}\dfrac{dy}{dt}$

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Hence, The rate of change of the distance is 14.89.

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3 years ago

"Without forces there can be no movement"- Do you agree with this statement? Why or Why not?​

"Without forces there can be no movement"- Do you agree with this statement? Why or Why not?