Physics, asked by AnkitaSonwal, 1 year ago

a particle projected from ground moves at angle 45 degree with horizontal one second after projection and speed is minimum two seconds after the projection the angle of projection of particle is ( neglect the effect of air redistance)

Answers

Answered by AJAYMAHICH

Hello Dear________✌️✌️

speed is minimum after 2 sec means speed=vcos theta
after 1 second
v'cos45=vcos theta
also
v'sin45-g*1=0
=>v'sin45=g
=>v'=gsqrt2
also
vsin theta-g*1=v'sin45=g
=>vsin theta=2g
=>tan theta=2g/v'cos45=2

Thanks & regards
Ajay
B.tech , IIT(BHU) Varanasi

AJAYMAHICH: i will try

AnkitaSonwal: thanku

AJAYMAHICH: hmmm please ask ???

AJAYMAHICH: fast

AJAYMAHICH: Because today my exam so preparation bhi krni h

AnkitaSonwal: a ball is projected from ground at an angle 45 degree with horizontal from distance d1 from the foot of a pole and just after touching the top of pole it the falls on ground at distance d2 from pole on other side the height of pole is

AJAYMAHICH: ise ask kro

AJAYMAHICH: yha pr me solution kse dunga

AnkitaSonwal: ohkk

AJAYMAHICH: hmm

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