Question

A ball is thrown vertically upwards and rises to a height of 10m. Calculate i) The velocity with which the object was thrown up ii) The time taken by the object to reach the highest point.​

Answer 1

Answer:

Distance travelled, s = 10 m

Final velocity, v = 0 m/s

g = -9.8 m/s

2

1) Using,

2=2ugs

u=14m/s, where u is the velocity with which the object is thrown upwards.

2) Using,

v=u+gt

t=g v-u

=1.43 sec

Answer 2

Answer:

Distance travelled, s = 10 m

Final velocity, v = 0 m/s

g = -9.8 m/s²

1) Using,

v²-u²= 2gs

u²= 196

u=14m/s, where u is the velocity with which the object is thrown upwards.

2) Using,

v=u+gt

t= v-u/g=1.43 sec

hope it's helping you