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prisoha [69]
3 years ago
6

Two bricks are released at the same time from the same point ten feet above the ground. One of the bricks is falling straight do

wn. The other brick is falling like a projectile. Which brick will hit the ground first ? EXPLAIN YOU ASWER PLZZZZ
Physics
1 answer:
natita [175]3 years ago
7 0
Both bricks will hit the ground at the same time.

Falling vertically is always accelerating at 9.8 m/s² because of gravity.
Nothing that's happening horizontally has any effect on that.
The brick that happens to have some horizontal motion will 
probably hit the ground way over there, but that will still be
at the same TIME as this one.

This is a perfect place to remind you of the old unbelievable story,
which I'll bet you heard before:

If you fire a bullet horizontally from a gun, and at the exact same
moment you DROP another bullet out of your hand next to the gun,
the two bullets will hit the ground at the same time !  Even though
they'll be far apart.

Horizontal speed has no effect on vertical behavior.
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A uniform steel girder of weight 22KN and of length 12m is lifted off the ground at one end by means of a crane. When the raised
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Answer:

Explanation:

For free body diagram see attached sheet .

W is weight of steel girder acting at the middle point of its length . T is tension in the cable .

OB = √ ( 12² - 2² )

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