Answer :
Applying V = u + at
The units have to line up. 30 km/h times 1000 m/km times 1 hr/3600 s equals 8.333 m/s.
V = 8.333 + 3.5 * 6.8
V = 32.133 m/s²
The rate of something moving in one direction is called its velocity. Velocity may be used to gauge both the speed of a rocket launching into space and the speed of a car traveling north on a busy freeway.
The first derivative of position relative to time is velocity. There is a straightforward formula that combines rate, distance, and time to calculate velocity.
The following method is the most typical approach to get the constant velocity of an item travelling straight ahead:
The rate or speed is given by the formula r = d/t
r (sometimes denoted as v for velocity)
d is the traveled distance.
t - The amount of time needed to finish the movement.
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