Author Question: An object moving on the x axis with a constant acceleration increases its x coordinate by 80 m in a ... (Read 142 times)

TFauchery · **on:** Jul 28, 2018

An object moving on the x axis with a constant acceleration increases its x coordinate by 80 m in a time of 5.0 s and has a velocity of +20 m/s at the end of this time. Determine the acceleration of the object during this motion.
a. -1.6 m/s2
b. +6.4 m/s2
c. +1.6 m/s2
d. -2.0 m/s2
e. -6.4 m/s2

Question 2

An automobile traveling along a straight road increases its speed from 30.0 m/s to 50.0 m/s in a distance of 180 m. If the acceleration is constant, how much time elapses while the auto moves this distance?
a. 6.00 s
b. 4.50 s
c. 3.60 s
d. 4.00 s
e. 9.00 s