Question

. A block is thrown upwards with a kinetic energy 1 J.
If it
goes up to a maximum height of 1 m, find the
mass of the block.​

Answer 1

Answer:

Explanation:

K.E.=1J

h=1m

m=?

h = v²/2g

v² = 2gh

K.E. = ½mv²

K.E. = (½)(m)(2gh)

K.E. = mgh

1 = m(10)(1)

m = 1/10

m = 0.1kg