[3] 70 mph (31 m/s)? [3]
Related questions
Question
100%
![10) A car of mass 1,850 kg has an engine that delivers an average power of 220 horse power
during the time the car accelerates up to a speed of 70 mph (31 m/s). Neglect the energy lost to
friction and air resistance in your answers below.
a) What is the average power provided the car during the acceleration in Watts?
[1.
b) If the car started from rest, what is the car's final kinetic energy?
[3]
c) How long did it take for the car to accelerate to 70 mph (31 m/s)?
[3],
d) If the power was constant, did the car accelerate [at a decreasing acceleration with increasing
speed, at a constant acceleration, or at an increasing acceleration with increasing speed] ?
[1].](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4eca1263-44d2-4336-a09d-765b3e98edf6%2F7619553f-d671-4d7c-904c-9f1ffdc06225%2Fonbczp_processed.png&w=3840&q=75)
Transcribed Image Text:10) A car of mass 1,850 kg has an engine that delivers an average power of 220 horse power
during the time the car accelerates up to a speed of 70 mph (31 m/s). Neglect the energy lost to
friction and air resistance in your answers below.
a) What is the average power provided the car during the acceleration in Watts?
[1.
b) If the car started from rest, what is the car's final kinetic energy?
[3]
c) How long did it take for the car to accelerate to 70 mph (31 m/s)?
[3],
d) If the power was constant, did the car accelerate [at a decreasing acceleration with increasing
speed, at a constant acceleration, or at an increasing acceleration with increasing speed] ?
[1].
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps
