Question 25

1 answer:

7 0

The answer would be B

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OlgaM077 [116]

Answer:

option b

Explanation:

from the given formula, s=d/t

make t the subject of the formula we have

t=d/s

5/100

0.5

6 0

2 years ago

ikadub [295]

It would appear black.

Hope I helped.

8 0

3 years ago

boyakko [2]

Answer:

i d k h b u lol I wish I knew it sorry

7 0

2 years ago

Lilit [14]

Answer:

.......................

6 0

3 years ago

Pachacha [2.7K]

Answer:

Mass, m = 125 kg

Explanation:

Let us assume that the question says, "What is the mass of an object whose velocity is 400 m/s and the kinetic energy of 10⁷ J.

The kinetic energy of an object is :

$K=\dfrac{1}{2}mv^2\\\\m=\dfrac{2K}{v^2}\\\\m=\dfrac{2\times 10^7}{(400)^2}\\\\m=125\ kg$

So, the mass of the object is 125 kg.

3 0

3 years ago