Question

get 50 points ..............​

Answer 1

Answer:

10m/s

Explanation:

x = 6t

dx/dt = Vx = 6 m/s

y= 8t -5t²

dy/dt= 8-10t

At time, t= 0 dy/dt = 8

So net v = √(8² + 6²)

= 10 m/s

Answer 2

Answer:

the correct option is (b).

I hope it is helpful...................