2 years ago

FIRST ANSWER GETS BRAINLIST:

Physics

2 answers:

bezimeni [28]2 years ago

8 0

Object A and Object B...

Natalka [10]2 years ago

3 0

Answer:

Object A but not Object B

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If one ammeter read 2a what would the other one read

shusha [124]

After a careful reading of the question, I have concluded that it's a trick question, and that there IS no other one.

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• Describe the importance of a commonly used measuring system. Be prepared to give two examples of why having a common system of

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2 years ago

An airplane flies in a horizontal circle of radius 500 m at a speed of 150 m/s. If the radius were changed to 1000 m, but the sp

laila [671]

Answer:

The centripetal acceleration changed by a factor of 0.5

Explanation:

Given;

first radius of the horizontal circle, r₁ = 500 m

speed of the airplane, v = 150 m/s

second radius of the airplane, r₂ = 1000 m

Centripetal acceleration is given as;

$a = \frac{v^2}{r}$

At constant speed, we will have;

$v^2 =ar\\\\v = \sqrt{ar}\\\\at \ constant\ v;\\\sqrt{a_1r_1} = \sqrt{a_2r_2}\\\\a_1r_1 = a_2r_2\\\\a_2 = \frac{a_1r_1}{r_2} \\\\a_2 = \frac{a_1*500}{1000}\\\\a_2 = \frac{a_1}{2} \\\\a_2 = \frac{1}{2} a_1$

a₂ = 0.5a₁

Therefore, the centripetal acceleration changed by a factor of 0.5

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3 years ago

1 lb equals how many grams

shusha [124]

Answer:

1 lb. is 453.592 grams

Explanation:

1lb is 453.592 grams

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