0

Guest

Courses New

A boy throwns a stone horizontally off a cliff. it hits the sea 2 seconds later,at a distance of 40 m from the foot of the cliff. Calculate the (a) height of the cliff (b) intial speed of the stone © direction in which the stone is moving when it strikes the water.

A boy throwns a stone horizontally off a cliff. it hits the sea 2 seconds later,at a distance of 40 m from the foot of the cliff.    Calculate the                                                                             (a) height of the cliff                                                                   (b) intial speed of the stone                                                      © direction in which the stone is moving when it strikes the water.

Grade:12th pass

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

Height = 0.5 g t*t
= 0.5*10*2*2= 20

Initial speed = horizontal dist/ time

= 40/ 2 = 20 m/s scalar quantity

Direction of stone is in the direction of initial speed if no obstacle is present

Regards

Think You Can Provide A Better Answer ?

Other Related Questions on Mechanics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More