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drek231 [11]
2 years ago
14

How much time does it take for tweety’s bird cage to hit the ground after it was dropped if it reached a velocity of 22 meters p

er second right before impact?
Physics
1 answer:
guajiro [1.7K]2 years ago
7 0
It matters on the weight

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An object moves 20 m east in 30 s and then returns to its starting point taking an additional 50 s. If west is chosen as the pos
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Answer:

v = 0.5 m/s.

Explanation:

Total distance, d = 20 m + 20 m = 40 m

Total time taken, t = 30 s + 50 s = 80 s

The average speed of an object is the total distance divided by time taken. So,

v=\dfrac{40}{80}\\\\=0.5\ m/s

So, the average speed of the object is 0.5 m/s.

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rotational kinetic energy of it's particles

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How is matter changed from one state of matter to another? *
Digiron [165]

Explanation:

Matter is changed from one state to another by addition or removal of heat and suitable pressure conditions.

When a solid is heated, it normally melts and changes to liquids which on heating changes to vapor. The randomness of the particles increases from solid to liquid state and to gaseous states.

Also, a gas can be cooled to liquid and on further cooling transformed into a solid matter.

These phase changes are brought about by energy changes in a system. Some form of matter can also sublime by changing form solid to gas and vice versa.

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3 years ago
A technique in which people use machines to learn how to control their bodies is known as __________.
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Answer:

The technique in which people use machines to learn how to control their bodies is known as D, Biofeedback.

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Biofeedback is a variety of different machines that help people learn how to control their bodies depending on their specific needs, varying from things like scalp sensors, electrocardiographs, electromyographs and more.

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