Question

(5) The distance travelled in seconds by an object starting with a speed
of u metres/second and moving along a straight line with speed
increasing at the rate of a metres/second every second is given by
atmetres. An object moving in this manner travels 10 metres in
2 seconds and 28 metres in 4 seconds. With what speed did it start? At
ut +
what rate does its speed change?​

Answer 1

Answer

10=2u+2a

28=4u+8a

10=2u+4a

__________

4=2a

a=2m/s

10=2u+2X2

=6/2=u

u=3m/s

hope my calculation helps you