please only answer part a & g For part (a) acceleration (a) = 4.00 m/s Delta v/delta t = v3-v2/t3-t2 Delta t = v3-v2/a Delta t = t3-t2 = tf-t2 Find tf For part g Delta x = (x3-x2) + (x2-x1) x2-x1 = area under between 0 sec and 1.5 sec (x3-x2) = area under curve curve between 1.5 sec and tf sec Delta x = (x3-x2) + (x2-x1) t1 = 0 sec t2 = 1.5 sec t3 = tf sec Also please answer part h which is Find v: entire trip from 0 sec to tf sec Answer super super fast please please

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please only answer part a & g For part (a) acceleration (a) = 4.00 m/s Delta v/delta t = v3-v2/t3-t2 Delta t = v3-v2/a Delta t = t3-t2 = tf-t2 Find tf For part g Delta x = (x3-x2) + (x2-x1) x2-x1 = area under between 0 sec and 1.5 sec (x3-x2) = area under curve curve between 1.5 sec and tf sec Delta x = (x3-x2) + (x2-x1) t1 = 0 sec t2 = 1.5 sec t3 = tf sec Also please answer part h which is Find v: entire trip from 0 sec to tf sec Answer super super fast please please answer super super fast please
1.
A car travels down a lonely road at constant velocity 20.0
m/s. Suddenly, at t=0, the driver sees a deer in the road. After a
reaction time t = 1.5 seconds, the driver steps on the brakes and the
car then decelerates (slows down) at constant acceleration with
magnitude 4.00 m/s² before coming to rest at time tf. Below is the velocity
v vs. time t graph of the car's motion.
eose
(e)
V
R = 1.5 s
What is the time tf when the car finally comes to rest?
What is the car's displacement (in m) at t = 1.0 seconds?
What is the car's displacement (in m) at t = 4.0 seconds?
At what time t is the car's instantaneous velocity v =
5.0 m/s?
At what time t is the car 's instantaneous velocity v =
10.0 m/s?
(f)
What is the car's average velocity (in m/s) in the time
interval between tp and tf (when the car is slowing down)?
What is the total displacement (i.e. stopping distance in
meters) between t = 0 and t = tf.
Transcribed Image Text:1. A car travels down a lonely road at constant velocity 20.0 m/s. Suddenly, at t=0, the driver sees a deer in the road. After a reaction time t = 1.5 seconds, the driver steps on the brakes and the car then decelerates (slows down) at constant acceleration with magnitude 4.00 m/s² before coming to rest at time tf. Below is the velocity v vs. time t graph of the car's motion. eose (e) V R = 1.5 s What is the time tf when the car finally comes to rest? What is the car's displacement (in m) at t = 1.0 seconds? What is the car's displacement (in m) at t = 4.0 seconds? At what time t is the car's instantaneous velocity v = 5.0 m/s? At what time t is the car 's instantaneous velocity v = 10.0 m/s? (f) What is the car's average velocity (in m/s) in the time interval between tp and tf (when the car is slowing down)? What is the total displacement (i.e. stopping distance in meters) between t = 0 and t = tf.
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