the force required to increase the motion of a toy of 200kg mass from 4m/s to 14 m/s in 2secound is?​

Explanation:

F= m× a

so change of velocity or the rate of change of the velocity = =5 m/s

so F= 200 × 5=1000 N

0.11 m/s and 0.28 m/s should be correct

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;