Question

if the boy throw with velocity 10ms-¹ find the a)Kinetic energy of the ball at the beginning b) Kinetic energy of the ball at the highest point c) potential energy of the ball at the highest point

pls give the answer ...I will mark u brain list ​

Answer 1

Answer:

a. m= 2 kg { as you have not given the mass so I have taken 2 kg as mass.} , v= 10m/s

K.E.= 1/2 * m*v*v

K.E.= 1/2 *2*10*10

K.E.= 20 J

b. K.E= 20J

c. P.E.= m*g*h

P.E.= 2*9.8*12 { as you have not given the height so I have taken 12 m as height.}

P.E.=235.2 J