Physics, asked by mohdisrar66, 7 months ago

a rock is dropped off a cliff and strikes the ground with an impact velocity of 30m/s.How high was the cliff?

Answers

Answered by shantanupilare

4

Answer:

45 is the answer

Explanation:

Apply v2=u2-2gh

900= -20h

h=45 m

Previous Question

Next Question

Similar questions

Physics, 3 months ago

The speed of a car changes from 0 to 5ms in the first phase and from 5 ms to 10 msl in the second phase and from 10 ms' to 15 ms during the third phase. In which phase the increase in kinetic energy is more...

Science, 3 months ago

ਤe 5पदार्थ तुम की पावर है कोई दो उदाहरण अवयव साइंस क्वेश्चन ...

English, 3 months ago

Describe how anandi feel sick in the USA...

Chemistry, 7 months ago

Interaction energy of london force is inversely proportional to the sixth powers of distance between 2 interacting particles but there magnitude depens upon a. charge of interacting particles b. mass of interacting particles c. polarisability of interacting particles d. strength of permanent dipoles in particles...

Political Science, 7 months ago

How do political parties and pressure groups influence the decisions of the government?

English, 11 months ago

List of the most common phrasal verbs...

History, 11 months ago

Why does reversal of winds take place in eastern india before the onset of south west monsoon? Explain in 40 to 60 words?

English, 11 months ago

Why does mrs pumphrey think the dog recovery is a triumph of surgery?