Physics, asked by kirat3801, 10 months ago

A particle is projected with speed 20 m/s at an angle 30°with horizontal. after how much time will the angle between velocity and acceleration be 90°?

Answers

Answered by Lokesh08

0

AT THE HIGHEST POINT VELOCITY WILL BE PARALLEL AND ACCELERATION IS DOWNWARDS SO PERPENDICULAR.

time of ascent=usinetheta/g

20*1/2/10=1second

Previous Question

Next Question

Similar questions

English, 5 months ago

what did his education teach him ...

Science, 5 months ago

Q5. Who discovered the chemical effect of current and how...

Math, 5 months ago

d. 256 b. 2025 3600 Find the smallest four digit number which in C. Find the a...

Physics, 10 months ago

If the angle of incidence of a Ray of light falling on the glass surface is 30 degree....

Math, 10 months ago

Increase £139 by 28% give your answer rounded to 2 dp...

English, 1 year ago

What has not changed over the years? A) Poet’s feelings B) Sea in the photograph C) Poet’s mother in the photograph D) None of the above...

English, 1 year ago

What has the camera captured? A) Poet’s happy moment from his childhood. B) A happy moment of poet and his mother. C) A happy moment of poet’s father and mother. D) A happy moment from the childhood of the poet’s mother.

English, 1 year ago

What does the word ‘proliferation’ mean in the passage? A) Effects B) Growth and spread C) Storage D) Amount...