anonymous
  • anonymous
Two balls are dropped from a height of 6 m. Ball A bounces back up to a height of 4m whereas ball B bounces back up to 2m. Which ball experiences the larger impulse during its collision with the floor?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
bahrom7893
  • bahrom7893
Can you give me the equation of impulse?
shubhamsrg
  • shubhamsrg
We need not calculate magnitude of impulse here, one experiencing larger impulse will rise higher.
anonymous
  • anonymous
i thnk both balls have same impulse dnt u thnk?

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shubhamsrg
  • shubhamsrg
impulse roughly can be said as change in momentum. That is a hint.
anonymous
  • anonymous
yeah n p=mv is the realation
shubhamsrg
  • shubhamsrg
If a balls has risen higher, it means it must have greater initial velocity at the bottom ?
ParthKohli
  • ParthKohli
LOL ^^
anonymous
  • anonymous
no
anonymous
  • anonymous
Two wires lie in the plane of paper and carry equal current in opposite direction as shown. At a point midway between the wires, the magnetic field is ?
shubhamsrg
  • shubhamsrg
You mean the direction ?
anonymous
  • anonymous
yeah the magnetic field is it out of the paper? its zero into the paper or at the bottom of paper?
shubhamsrg
  • shubhamsrg
You must be knowing right hand thumb rule ?
anonymous
  • anonymous
yeah but i just didnt remember it
anonymous
  • anonymous
isnt it zero?
shubhamsrg
  • shubhamsrg
Nop it isnt
shubhamsrg
  • shubhamsrg
Both will add up,
anonymous
  • anonymous
y? they are in opposite directions they cancel the effect n become zero
anonymous
  • anonymous
if they are in same then they will be added up
anonymous
  • anonymous
or it will be out of the paper?
shubhamsrg
  • shubhamsrg
You got to revise your right hand thumb rule to understand that, for same direction, magnetic fields cancel in between.
anonymous
  • anonymous
it will be zero :)
anonymous
  • anonymous
The coefficient of static friction between car’s tires and a level road is 0.80. If the car is to be stopped in a maximum time of 3.0 s, its maximum speed is (a) 2.4 m/s (b) 23.5 m/s (c) 7.8 m/s (d) 2.6 m/s whch equation will be applied here?
anonymous
  • anonymous
A body moving with uniform acceleration has velocities 20 m s -1 and 30 m s -1 when passing through points A and B. Then wht the velocity mid-way between A and B is ?
anonymous
  • anonymous
. A monkey of mass 20-kg rides on a 40-kg trolley moving with constant speed of 8 ms -1 along a horizontal track. Frictional forces can be neglected. If the monkey jumps vertically with respect to the moving trolley to grab the overhanging branch of a tree, the speed of the trolley after the monkey has jumped off is
AravindG
  • AravindG
It is advised you post each question separately .Also try to post these questions in Physics Group

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