menu
bartleby
search
close search
Hit Return to see all results

What is the energy ?E required to accelerate a 1645 kg1645 kg car from rest to 27 m/s? Compared to the amount of energy required to accelerate a car from rest to 27 m/s,27 m/s, how much energy is required to accelerate the car from 27 m/s27 m/s to twice that speed, 54 m/s?

Question

What is the energy ?E required to accelerate a 1645 kg1645 kg car from rest to 27 m/s? Compared to the amount of energy required to accelerate a car from rest to 27 m/s,27 m/s, how much energy is required to accelerate the car from 27 m/s27 m/s to twice that speed, 54 m/s?

check_circleAnswer
Step 1

From work energy theorem, the net work done is equal to change in kinetic energy .

Write the expression for energy required to accelerate 1645kg mass car from rest to 27m/s.

1
E
m
1
(1645kg)(27 m/s)-(1645 kg) (0m/s)
=599602.5J
help_outline

Image Transcriptionclose

1 E m 1 (1645kg)(27 m/s)-(1645 kg) (0m/s) =599602.5J

fullscreen
Step 2

Write the expression for energy required to accel...

1
E' =
2
2
(1645kg)(54m/s)-(1645kg)(27m/s)
2398410J-599602.5J
1798807.5J
help_outline

Image Transcriptionclose

1 E' = 2 2 (1645kg)(54m/s)-(1645kg)(27m/s) 2398410J-599602.5J 1798807.5J

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Our solutions are written by experts, many with advanced degrees, and available 24/7

See Solution
Tagged in

Science

Physics

Related Physics Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: A block of mass 0.550 kg is pushed against a horizontal spring of negligible mass until the spring i...

A: Click to see the answer

question_answer

Q: Find the magnitude of the friction force from 1 on 2 at t1. You may use μs=0.17, μk=0.14   Determine...

A: The horizontal component of the force will balance the sine component of the force FY1 and the verti...

question_answer

Q: 50. A projectile is fired up an incline (incline angle ø) with an initial speed v, at an angle 0, wi...

A: Part A:

question_answer

Q: On Jupiter, the acceleration due to gravity is 26.7 m/s^2. What is the weight of a box of potatoes o...

A: The expression for the weight of the object on Jupiter is,

question_answer

Q: MasteringPhysics: HW13 X X C session.masteringphysics.com/myct/itemView?offset=next&assignmentProble...

A: The free body diagram of the situation is depicted below .

question_answer

Q: When being unloaded from a moving truck, a 10.0- kilogram suitcase is placed on a flat ramp inclined...

A: Given information:Mass of the suitcase (m) = 10 kgInclination of the ramp (θ) = 36.00Accelration of ...

question_answer

Q: A planet of mass 5 ⨯ 1024 kg is at location <4 ⨯ 1011, −4 ⨯ 1011, 0> m.  A star of mass 4 ⨯ 10...

A: (a)The relative position vector pointing from the planet to the star is,Substitute the values,

question_answer

Q: A diver springs upward from a board that is 3.00 m above the water. At the instant she contacts the ...

A: Given information:Height from which the diver springs (h) = 3 mThe final velocity of the diver befor...

question_answer

Q: A golf ball is struck with an initial velocity of 22 m/s at an angle of 23 degrees above the horizon...

A: Click to see the answer

Sorry about that. What wasn’t helpful?