Amena2000
contestada

The correct answer is A which is what you get when you use
Work Done by Air resistance = Kinetic Energy ( using final velocity)

I think this is impossible!

The correct answer is A which is what you get when you use Work Done by Air resistance Kinetic Energy using final velocity I think this is impossible class=

Respuesta :

akaleti47
it is A.

it was supposed to reach a height of (u^2)/2g=3.26 but i only goes upto 1.9

this difference in height =(3.26-1.9)=1.36 is due to air resistance.

work done by air resistance= m*g*(height difference)=0.3*9.81*1.36=4
Aishani
The Answer is A

See attachment file below

Hope it helped!
Ver imagen Aishani

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