+91-87964 74404
FlagBACK
Question icon
Grade 11IIT JEE Entrance Exam

a projectile is thrown with a velocity of 20 m/s at an angle of 60 degree with the horizontal. after how much time the velocity vector will make an angle of 45 degree with the horizontal

Profile image of piyanshi
7 Years agoGrade 11
Answers icon

1 Answer

Profile image of Saurav
7 Years ago
In hirihorizontal directiion the velocity remains constant v/2 now for angle to be 45 ° the vertical velocity should also be v/2 now apply v=u -gt in  vertical direction
And that's the answer

Other Related Questions on iit jee entrance exam

question mark

Let S={x:x belongs to R(√3+√2)^(x^2-4) - (√3-√2)^(x^2-4)=10}. Then n(S) is equal to-

iit jee entrance exam
1 Answer Available

Last Activity: 10 Months ago

question mark
My rank is 29k, General, should I opt for any state college cse branch or some Nits in which in which I am getting ECE , chemical, mechanics etc....
 
iit jee entrance exam
1 Answer Available

Last Activity: 3 Years ago

question mark
How is Ranquer Eduzone,comparing, Akash,Fitjee,Resonance,Naryana
iit jee entrance exam
1 Answer Available

Last Activity: 4 Years ago

question mark
Can class 9th students study syllabus class  of 11th 
iit jee entrance exam
3 Answers Available

Last Activity: 4 Years ago

question mark
Sum of series 2[n/2] ! [n/2]!/ n! [2Co-2C2+3C2....+[-1]^n[n+1]2Cn] where n is an even positive integer. Kindly provide solution of this question and how to generalise this. How do we know that which expansion will give this?
iit jee entrance exam
1 Answer Available

Last Activity: 4 Years ago