How Much Force to Accelerate a Rocket Sled to 1000 km/h in 1.8 Seconds?

[baylayA]

An experimental rocket sled can be accelerated at a constant rate from rest to 1000 km/h in 1.8 s. What is the magnitude of the required net force if the sled has a mass of 700 kg?

help please!

 

[pr0blumz]

v = at
F = ma

Someone correct me if I'm wrong

 

[baylayA]

thank you thank you thank you!