1800-150-456-789
FlagBACK
Flag 9 grade science> A ball thrown up vertically returns to th...
question mark

A ball thrown up vertically returns to the thrower after 6 s. Findthe velocity with which it was thrown up,

Pawan Prajapati , 3 Years ago
Grade 12
anser 1 Answers
Harshit Singh

Last Activity: 3 Years ago

Dear Student

u = ?
v = 0
g = –9.8 m/s^2(thrown upward)
Total time = 6 s (to go up and down)
∴ Time for upward journey = 6/2 = 3s
(a) v = u + gt
0 = u = (–9.8) × 3
u = 29.4 m/s

Thanks

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

Other Related Questions on 9 grade science

question mark
a car travels half distance with the speed of 20m/s and next half distance travel with 30 m/s , the average speed of the car is
9 grade science
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
A hockey ball of mass 200g travelling from west to east at 10m//s is struck by a hockey stick. As a result, the ball gets turned back and now has a speed of 5m//s. If the ball and hockey stick were in contact for 0.2s, Calculate (i) initial and final momentum of the ball (ii) rate of change of momentum of the balll (iii) force exerted by hockey stick on the ball.
9 grade science
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
Which step is not involved in the carbon-cycle ?
9 grade science
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
Draw a neat labelled diagram of a vernier callipers.
9 grade science
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
Why are lead compounds are added to petrol? How is it harmful?
9 grade science
1 Answer Available

Last Activity: 2 Year ago(s)