2 years ago

What is the potential energy of a 2 kg ball 15 m in the air?

Physics

1 answer:

oee [108]2 years ago

7 0

Answer:

Explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 10 m/s²

From the question we have

PE = 2 × 10 × 15

We have the final answer as

Hope this helps you

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Rebecca jogs in place for two minutes before her track meet. Rebecca weighs 100 pounds. Which of the following statements is tru

MrRissso [65]

The answer is A because it was 2 minutes and she weighs 100 lbs.... so 2(100)=200.... 200 lbs of work

7 0

2 years ago

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Which is a diatomic molecule? <br> A. Ar <br> B. CO <br> C. CO2 <br> D. NaCl

snow_tiger [21]

Answer: B. CO

Explanation:

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In this sense, oxygen is a homonuclear diatomic molecule because it is formed by two atoms of the same element ( $O_{2}$ ) and Carbon monoxide ( $CO$ ) is heteronuclear diatomic molecule.

Sodium Chloride $NaCl$ is not a diatomic molecule because is a product of ionization, but it can be diatomic in its gas phase with a polar covalent bond.