Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

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

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

A particle is projected from a point(0,1) on Y-axis aiming towards a point(4,9). It fellson ground along X-axis in 1 second. Taking g=10m/second square , and all coordinate in metres, find the X- coordinatewhere it fell

A particle is projected from a point(0,1) on Y-axis aiming towards a point(4,9). It fellson ground along X-axis in 1 second. Taking g=10m/second square , and all coordinate in metres, find the X- coordinatewhere it fell

Grade:11

1 Answers

Umesh Jakhar
32 Points
9 years ago

tanΦ=9-1/4-0=2=perpendicular/base.      ...........(1)

where Φ is angle of projection


given that time of flight is 1 second

from s=ut-1/2gt2

(-1)=usinΦ(1)-1/2(10)(1)   final displacement is -1 when it hit the ground ok!!

usinΦ=4

then

ucosΦ=usinΦ/tanΦ=4/2=2    (from equestion (1) tanΦ=2 )

then x coordinate = VxT=(2)X(1)=2   (Vx = horizontal componant of velocity)

particle hit the ground at (2,0) OK!!!!!!!!!

GOOD LUCK

you will crack JEE

DON't forgate to approve my answer this will be by clicking yes below... ok!!!!

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free