Answer:
1. Time: Second
2. Length: Meter
3. Mass: Kilogram
4. Temperatur: Kelvin
Explanation:
...
F = ma
F = m Δv / Δt
F = (1500 kg) (0 m/s − 30 m/s) / 3 s
F = -15,000 N
Force = 1400N
Displacement = 2.5 m
work done = F×D
=1400×2.5
= 3500 joule