Assume that as a car brakes to a stop it undergoes a constant acceleration (deceleration). Explain why

Question:

Assume that as a car brakes to a stop it undergoes a constant acceleration (deceleration). Explain why the stopping distance becomes four times as large if the initial speed is doubled.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Inquiry into Physics

ISBN: 978-1305959422

8th edition

Authors: Vern J. Ostdiek, Donald J. Bord

See More Books

Question Posted: Jan 17, 2019 08:06 AM

See More Questions

(Multiple choice) (1) True or false: (a) The total energy of a system cannot change. (b) When you jump into the air, the floor does work on you, increasing your potential energy. (2) A body falling...
Assume that the brakes in your car create a constant deceleration of 4.2 m/s2 regardless of how fast you are driving. If you double your driving speed from 18 m/s to 36 m/s, (a) Does the time...
The brakes on an automobile act by forcing brake pads, which have a metal support and a lining, to press against a disk (rotor) attached to the wheel. Friction between the pads and the disk causes...
Prove that e is an irrational number using the following argument by contradiction. Suppose that e = M/N, where M, N are nonzero integers. (a) Show that M!e- is a whole number. (b) Use the power...
The spaceship Enterprise 1 is moving directly away from earth at a velocity that an earth-based observer measures to be +0.65c. A sister ship, Enterprise 2, is ahead of Enterprise 1 and is also...
g(x)=-2x^(2) Plot five points on the graph of the function: one point with x=0, two the graph -a-function button. Explanation Check
What are some constraints in user interface design?
Two couples act on the beam as shown. Determine the magnitude of F so that the resultant couple moment is M counterclockwise. Where on the beam does the resultant couple act? Given: M = 300 lb⋅...
Nora Incorporated sells a single product for $22. Variable costs include $8.58 for each unit plus a 8% sales commission. Fixed costs are $155,290 per month. Required: a. What is the contribution...
Stewart Recording Studio, owned by Ron Stewart, showed the following bank reconciliation at March 31: A list of deposits made and cheques written during April, taken from the cash receipts journal...
An astronaut working with many tools some distance away from a spacecraft is stranded when the maneuvering unit malfunctions. How can the astronaut return to the spacecraft by sacrificing some of the...
For what type of interaction between bodies is the law of conservation of linear momentum most useful?
The Hagelin Corporation needs to raise $50 million to finance its expansion into new markets. The company will sell new shares of equity via a general cash offering to raise the needed funds. If the...
Susan has a bag of apples. 3/4 of the apples are rotten. If 36 apples are rotten, how many apples does Susan have altogether? In a class, 3/4 of the students are girls. There are 28 boys. a) What...
2. For any pair of nxn matrices A, B, show that det(AB) = det(BA) = det A det B.
A patient consumes 2 cups of tea and 8 oz of milk for breakfast, 1 cup of coffee and 6 oz of gelatin for lunch, and cup of broth and 4 oz of ice cream for dinner. That patient voided five times...
Ibuprofen breaks down in the human body (decreases) at a rate of 9% per hour. The exact half life is 7.35. If you take 400mg of this medication on Tuesday at 3pm, how much will u have in ur...
3. Buy a European put with strike 100 and cost 6.50. The effective interest rate is 4% for 6 months. At what spot price at expiry do we break even? 4. Write the put in (3). What is your profit if...
Ask each student to complete the following assignment based on a popular national brand: Collect as many pieces of promotional material (ads, direct mail, etc.) as possible for the brand. Based on...
How is use of the word consistent helpful in fraud reports?
Consider the system shown in Fig. E5.34. Block A weighs 45.0 N and block B weighs 25.0 N. Once block B is set into downward motion, it descends at a constant speed. (a) Calculate the coefficient of...
While a person is walking, his arms swing through approximately a 45 angle in s. As a reasonable approximation, we can assume that the arm moves with constant speed during each swing. A typical arm...
People who do chin-ups raise their chin just over a bar (the chinning bar), supporting themselves with only their arms. Typically, the body below the arms is raised by about 30 cm in a time of 1.0 s,...
A consultant advises that a fund pays out $100,000 at the end of 5 years. Provided $12,000 is invested in the fund at the start of each year, beginning immediately and continuing up to and including...
Durco Automotive needs a $2 million balance in its contingency fund 3 years from now. The chief financial officer (CFO) wants to know how much to deposit now into Durco's high-yield investment...
3. Create a chart for gross margin less R&D and capital costs calculations. a. Calculate gross margin less R&D and capital costs for options A and B. b. Graph total gross margin less R&D and capital...

Assume that as a car brakes to a stop it undergoes a constant acceleration (deceleration). Explain why

Question:

Step by Step Answer:

As the car decelerates it does work as its kinetic energy is converted into internal en...View the full answer

Inquiry into Physics

Students also viewed these Physics questions