Question

Calculate the speed, velocity, and acceleration of two vehicles: one going at a constant speed of 30 km/h and the second going at a constant speed of 60 km/h relative to the first car.

a) Speed: 30 km/h, 60 km/h; Velocity: 30 km/h, 60 km/h; Acceleration: 0 m/s^2
b) Speed: 30 km/h, 60 km/h; Velocity: 60 km/h, 60 km/h; Acceleration: 0 m/s^2
c) Speed: 30 km/h, 60 km/h; Velocity: 30 km/h, 30 km/h; Acceleration: 0 m/s^2
d) Speed: 30 km/h, 60 km/h; Velocity: 30 km/h, 60 km/h; Acceleration: 0 m/s^2

Answer 1

The correct answer is d) Speed: 30 km/h, 60 km/h; Velocity: 30 km/h, 60 km/h; Acceleration: 0 m/s^2.

Step-by-step explanation:

The correct answer is d) Speed: 30 km/h, 60 km/h; Velocity: 30 km/h, 60 km/h; Acceleration: 0 m/s^2.

Speed is the distance traveled per unit time and is given by the constant value of 30 km/h and 60 km/h for the two vehicles.

Velocity, on the other hand, is the speed of an object in a specific direction. Since both vehicles are moving in the same direction, their velocities will be the same as their speeds, which are 30 km/h and 60 km/h.

Acceleration is the rate of change of velocity. Since the vehicles are moving at constant speeds, their accelerations are zero.