Question

A 1 kg object is dropped from a building 10.0 m above the ground. What is its speed just before it hits the ground if the air resistance could be ignored?
1 m/s
14 m/s
cannot be determined
9.9 m/s

Answer 1

Answer:

Here we know that we have to measure the speed as m/s.

so we have to convert 1kg into 1000grams and 10 meter as 1000 cm.

Now the speed is

1000grams/1000cm.

=1m/s.

Therefore we got the answer as the speed of the object is

1m/s.

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