A projectile is projected with a velocity of 20 ms−1 making an angle 60∘ with the horizontal. Its average velocity between the instant it crosses half the maximum height is

average velocity is given by timedisplacement displacement till highest point will be (2R,H) in horizontal and vertical direction respectively. As given V=20,θ=60∘ then H=2 gV2sin2θ,R=gV2sin2θ time =gVsinθ average velocity =10 ms−1

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A projectile is projected with a velocity of 20 {~ms}^{-1} mak

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A projectile is projected with a velocity of $20 ms^{- 1}$ making an angle $6 0^{\circ}$ with the horizontal. Its average velocity between the instant it crosses half the maximum height is

10 ms^{- 1}

12 ms^{- 1}

9 ms^{- 1}

4.5 ms^{- 1}

Views: 6,016 students

Updated on: Aug 10, 2023

Book:

Physics for JEE Main and Advanced Mechanics 1 (McGraw Hill)

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A projectile is projected with a velocity of

20 ms^{- 1}

making an angle

6 0^{\circ}

with the horizontal. Its average velocity between the instant it crosses half the maximum height is

14 mins ago

Discuss this question LIVE

14 mins ago

Text solutionVerified

average velocity is given by

\frac{d i s pl a ce m e n t}{t im e}

displacement till highest point will be

(\frac{R}{2}, H)

in horizontal and vertical direction respectively. As given

V = 20, θ = 6 0^{\circ}

then

H = \frac{V ^{2} s i n ^{2} θ}{2 g}, R = \frac{V ^{2} s i n 2 θ}{g}

time

= \frac{V s i n θ}{g}

average velocity =

10 ms^{- 1}

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Question Text	A projectile is projected with a velocity of $20 ms^{- 1}$ making an angle $6 0^{\circ}$ with the horizontal. Its average velocity between the instant it crosses half the maximum height is
Updated On	Aug 10, 2023
Topic	Motion in a Plane
Subject	Physics
Class	Class 11
Answer Type	Text solution:1 Video solution: 6
Upvotes	685
Avg. Video Duration	13 min

A projectile is projected with a velocity of $20 ms^{- 1}$ making an angle $6 0^{\circ}$ with the horizontal. Its average velocity between the instant it crosses half the maximum height is

Text solutionVerified

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A projectile is projected with a velocity of $20 ms^{- 1}$ making an angle $6 0^{\circ}$ with the horizontal. Its average velocity between the instant it crosses half the maximum height is