Suppose a car is moving in a straight line and steadily increases its speed. It moves from 35 km/h to 40 km/h the first second and from 40 km/h to 45 km/h the next second. What is the car's acceleration?​
a) 35 km/h/s
b) 40 km/h/s
c) 10 km/h/s
d) 5 km/h/s

Respuesta :

Answer:

c

Explanation:

the first 35 to 40 acceleration will be 5 same as 40 to 45 ,

5+5=10

Car is moving in a straight line and steadily increases its speed. Then its acceleration in the first is  35 to 40 acceleration will be 5 same as 40 to 45 ,then 5+5=10.

What is speed ?

"Speed is the distance traveled per unit of time. It is how fast an object is moving. Speed is the scalar quantity that is the magnitude of the velocity vector. It doesn't have a direction."

What is acceleration ?

"Acceleration is the rate of change of the velocity of an object with respect to time. Accelerations are vector quantities. The orientation of an object's acceleration is given by the orientation of the net force acting on that object. "

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