MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: R

There are no items in this cart.
Continue Shopping
Menu
manoj jangra Grade: 12
        

A projectile shot an angle of 60° above the horizontal strikes a wall 30 m away at apoint15 m above the point of projection .


(a) Find the speed of projection


(b) Find the magnitude of velocity of the projectile when it strikes the wall


Can you tell me is there any chrges of putting queries?

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

dear manoj


 


use the formula y=xtanθ-gx2/(2u2cos2θ)


here y= 15m


x=30 m


θ=60


then calculate u


u=21.85 m/s


magitude of the velocity when it hit the wall can be calculated as


v2=u2-2gh


  =(21.85)2-2*9.81*15


v=13.53 m/s






please feel free to post as many doubts on our discussion forum as you can. If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly.
 We are all IITians and here to help you in your IIT JEE preparation.

 All the best manoj
 
 

Regards,

Askiitians Experts

Badiuddin

7 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: R 15,000
  • View Details
Get extra R 3,000 off
USE CODE: MOB20
  • Kinematics & Rotational Motion
  • OFFERED PRICE: R 600
  • View Details
Get extra R 120 off
USE CODE: MOB20

Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details