a body of mass 2 kg is dropped from a height of 5 metre what is the velocity of the body before touching the ground
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the mass body..2kg
h...5meter
g...9.8meter per second2
v=98m/s2
h...5meter
g...9.8meter per second2
v=98m/s2
mathematicalphysics:
wrong
no yr
Answered by
3
by conservation of mechanical enengy,
PE = KE
mgh = 1/2mv^2
gh = 1/2 v^2
10 * 5= 1/2 v^2
100 = v^2
v= 10m/s.
plz explain
right
suppose. work =kinetic energy.
this question requires understanding of concepts in work and energy
m×g×h=2×9.8×5=98
plzz tell steps
w=fscos0 because . displacement and force or simply velocity is in same direction.
use formula.. v =root. mass×acceleration ×displacement.
displacement is height
please join me
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