A projectile is shot upwards from the surface of the earth with an initial velocity of 148 meters per second. The position function is .What is its velocity after 4 seconds?
A)The velocity after 4 seconds is 128.4 meters per second.
B)The velocity after 4 seconds is -167.6 meters per second.
C)The velocity after 4 seconds is -187.2 meters per second.
D)The velocity after 4 seconds is 108.8 meters per second.
E)The velocity after 4 seconds is 276.4 meters per second.

Question

A projectile is shot upwards from the surface of the earth with an initial velocity of 148 meters per second. The position function is  .What is its velocity after 4 seconds?
A)The velocity after 4 seconds is 128.4 meters per second. 
B)The velocity after 4 seconds is -167.6 meters per second. 
C)The velocity after 4 seconds is -187.2 meters per second. 
D)The velocity after 4 seconds is 108.8 meters per second. 
E)The velocity after 4 seconds is 276.4 meters per second.

Quizplus · Accepted Answer

The Answer of A projectile is shot upwards from the surface of the earth with an initial velocity of 148 meters per second. The position function is  .What is its velocity after 4 seconds?
A)The velocity after 4 seconds is 128.4 meters per second. 
B)The velocity after 4 seconds is -167.6 meters per second. 
C)The velocity after 4 seconds is -187.2 meters per second. 
D)The velocity after 4 seconds is 108.8 meters per second. 
E)The velocity after 4 seconds is 276.4 meters per second.

A Projectile Is Shot Upwards from the Surface of the Earth