3 years ago

Why are pots and pans made of metals like steel and their handles made of plastic?

1 answer:

4 0

Because if pots and Kane where made with wood it will burn easily where as sheep can hold the fire.Their handles are made of plastic or wood because it won't get heated

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A textbook of mass 2.02 kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose d

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3 years ago

0/2 File Limit

slamgirl [31]

Answer:

Speed at which it will reach the ground is given as

$v_f = 46.8 m/s$

Total time for which it will remain in air is given as

t = 6.3 s

Explanation:

As we know that the object is projected upwards with speed

$v_i = 15 m/s$

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now when it will reach the ground then we have

$y = v_y t + \frac{1}{2} at^2$

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$t = 6.3 s$

Now speed of the object when it reaches the ground is given as

$v_f = v_i + at$

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$v_f = 46.8 m/s$

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both kinetic energy and potential energy

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