Question

In this first example of constant accelerated motion, we will simply consider a car that is initially traveling along a straight stretch of highway at 15 m/s. At t = 0 the car begins to accelerate at 2.0 m/s² in order to pass a truck. What is the velocity of the car after 5.0 s have elapsed? REFLECT The velocity and acceleration are in the same direction, so the speed increases. An acceleration of 2.0 m/s² means that the velocity increases by 2.0 m/s every second, so in 5.0 s the velocity increases by 10 m/s. v?? = 15 m/s a? = 2.0 m/s² t = 0 t = 5.0 s v? = ? Part A - Practice Problem: If the car maintains its constant acceleration, how much additional time does it take the car to reach a velocity of 37.0 m/s? Express your answer in seconds.

          In this first example of constant accelerated motion, we will simply
consider a car that is initially traveling along a straight stretch of
highway at 15 m/s. At t = 0 the car begins to accelerate at 2.0 m/s²
in order to pass a truck. What is the velocity of the car after 5.0 s have
elapsed?
REFLECT The velocity and acceleration are in the same direction, so the speed increases. An acceleration of 2.0
m/s² means that the velocity increases by 2.0 m/s every second, so in 5.0 s the velocity increases by 10 m/s.
v?? = 15 m/s a? = 2.0 m/s²
t = 0
t = 5.0 s v? = ?
Part A - Practice Problem:
If the car maintains its constant acceleration, how much additional time does it take the car to reach a velocity of
37.0 m/s?
Express your answer in seconds.

In this first example of constant accelerated motion, we will simply
consider a car that is initially traveling along a straight stretch of
highway at 15 m/s. At t = 0 the car begins to accelerate at 2.0 m/s²
in order to pass a truck. What is the velocity of the car after 5.0 s have
elapsed?
REFLECT The velocity and acceleration are in the same direction, so the speed increases. An acceleration of 2.0
m/s² means that the velocity increases by 2.0 m/s every second, so in 5.0 s the velocity increases by 10 m/s.
v?? = 15 m/s a? = 2.0 m/s²
t = 0
t = 5.0 s v? = ?
Part A - Practice Problem:
If the car maintains its constant acceleration, how much additional time does it take the car to reach a velocity of
37.0 m/s?
Express your answer in seconds.

Added by Claudia H.

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