If the total time taken for the entire motion is 20 s, calculate the average speed and velocity.

the answer is 12 as i may remember

: )

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it