Question

what is the acceleration of an object after 1 second from beginning​

Answer 1

Answer:

After 1 second, the velocity is 4.5+1.5=6 m/s. After 3 seconds, the velocity is 4.5+3×1.5=9 m/s.

Explanation:

Answer 2

Answer:

4.5+1.5=6 m/s.

Explanation:

# Between 0 and 2 seconds the acceleration is +2 m/s2. Between 2 and 3 seconds, the acceleration is zero.

# So in 4 seconds, accelerating at a rate of 12.5 m/s 2start superscripts, start a text, 2, end text, end superscript our car was able to drive 100 meters!

#Velocity after 5 seconds = -5m/s + 15 m/s = 10 m/s

# The acceleration of an object decreases uniformly from 8 ft/sec2 to zero in 6 seconds at which its velocity is 10 ft./sec. What is the initial velocity and displacement during 6 seconds interval?

The initial velocity = 8 ft/s^2 * 6 s +10 ft/s = 48 ft/s + 10 ft/s = 58 ft/s

(initial velocity + final velocity)/2 * time = distance

(58 ft/s + 10 ft/s)/2 * 6 s = 34 ft/s * 6 s = 204 ft = displacement