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3 years ago

In the us we use the us customary units true or false

Physics

1 answer:

sergiy2304 [10]3 years ago

6 0

Answer:

true

Explanation:

i believe that's the answer hope that helps

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In Example 2.12, two circus performers rehearse a trick in which a ball and a dart collide. Horatio stands on a platform 6.4 m a

pickupchik [31]

Answer:

time of collision is

t = 0.395 s

$h = 5.63 m$

so they will collide at height of 5.63 m from ground

Explanation:

initial speed of the ball when it is dropped down is

$v_1 = 0$

similarly initial speed of the object which is projected by spring is given as

$v_2 = 16.2 m/s$

now relative velocity of object with respect to ball

$v_r = 16.2 m/s$

now since we know that both are moving under gravity so their relative acceleration is ZERO and the relative distance between them is 6.4 m

$d = v_r t$

$6.4 = 16.2 t$

$t = 0.395 m$

Now the height attained by the object in the same time is given as

$h = v_2 t - \frac{1}{2}gt^2$

$h = 16.2(0.395) - \frac{1}{2}(9.81).395^2$

$h = 5.63 m$

so they will collide at height of 5.63 m from ground

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3 years ago

A 5kg object is moving at a height of 2 m. The potential energy of the object is closest to ___ j

elena55 [62]

Answer:

In this case, a body of mass 5 kg kept at a height of 10 m. So the potential energy is given as 5 * 10 *10 = 500 J.

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3 years ago

What simple machines are used to create the shovel?

erastovalidia [21]

Answer:

I believe a wedge and a lever

Explanation:

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3 years ago

If you touch a hot light bulb and get burned, that is an example of _____.

Anton [14]

The answer is C conduction

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3 years ago

Read 2 more answers

Where is the 3rd quadrant

jeka94

The 3rd Quadrant is the lower left one on a graph,
where ' x ' and ' y ' are both negative.

Your picture is completely unrelated to this question.

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3 years ago