Question: 1. During a driving test, a car starts from rest on a completely flat, straight track, accelerates uniformly to a speed of 100 km/h in

1. During a driving test, a car starts from rest on a completely flat, straight track, accelerates uniformly to a speed of 100 km/h in 7.50 s, maintains that speed for 5.00 s, and after this time, the car stops completely in 112 m.
Determine:
a. track length
b. The time it takes for the vehicle to come to a complete stop.
c. The magnitude of the acceleration to stop the vehicle.

Step by Step Solution

★★★★★

3.41 Rating (157 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

SOLUTION a b c Initial velo city 3D gnitial acceleration a where v final velo crly 100 kmh t ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

A 1500 kg car starts from rest on a horizontal road and gains a speed of 72 km/h in 30 s. (a) What is its kinetic energy at the end of the 30 s? (b) What is the average power required of the car...

During a driving test, a car starts from rest on a completely flat and straight track, accelerates uniformly to a speed of 100 km/h in 7.50 s, maintains that speed for 5.00 s, and after this time,...

A race car starts from rest on a circular track. The car increases its speed at a constant ate at as it goes once around the track. Find the angle that the total acceleration of the car makeswith the...

You are standing at the top of a deep, vertical cave and want to determine the depth of the cave. Unfortunately, all you have is a rock and a stopwatch. You drop the rock into the cave and measure...

PY 205 C2H3 1) 1. [-/2 Points] DETAILS (a) A runner starts from rest and in 2 s reaches a speed of 8 m/s. If we assume that the speed changed at a constant rate (constant net force), what was the...

An ice sled powered by a rocket engine starts from rest on a large frozen lake and accelerates at 13 m/sz. After some more time 151, the rocket engine is shut down and the sled moves with constant...

A model car starts from rest and travels in a straight line. A smartphone mounted on the car has an app that transmits the magnitude of the cars acceleration (measured by an accelerometer) every...

The 4000-lb van is driven from position A to position B on the barge, which is towed at a constant speed v 0 = 10 mi/hr. The van starts from rest relative to the barge at A, accelerates to v = 15...

A cyclist and his bicycle have a total mass of 81 kg. The cyclist starts from rest and rides in a straight line. The cyclist exerts a constant force of 135 N and the motion is opposed by a resistance...

12 51 A car starts from rest and travels along a straight road with a velocity described by the graph Determine the total distance traveled until the car stops Construct the s t and a t graphs v m s...

In year 0, Longworth Partnership purchased a machine for $46,250 to use in its business. In year 3, Longworth sold the machine for $34,700. Between the date of the purchase and the date of the sale,...

Imagine that you design a suspension for a car described below. There are four suspensions in the car and total stiffness and damping coefficients are defined as k and c. The car's body mass is...

When EY audits Apple, a publicly traded company, which organization ' s auditing standards must EY follow? Multiple Choice AICPA. FASB. GASB. PCAOB.

Apples & Oranges Corporation learns that a federal administrative agency is considering a rule that will have a negative impact on the firms ability to do business. Does the firm have any opportunity...

On July 1, 2015, Ted, age 73 and single, sells his personal residence of the last 30 years for $368,000. Ted's basis in his residence is $42,000. The expenses associated with the sale of his home...

Use the standard price and cost data supplied in Problem 8-20A. Assume that Lloyd actually produced and sold 32,000 books. The actual sales price and costs incurred follow. Actual price and variable...

Carl's Computers imports computer hardware and accessories from China, Japan, Korea, and the United States. It has branches in every capital city, and the main administration office and central...

Lower-of-Cost-or-Market Garcia Home Improvement Company installs replacement siding, windows, and louvered glass doors for single family homes and condominium complexes in northern New Jersey and...

Write me one paragraph answering the below: What is the paralegal's role in ensuring diligence?

I assume David got the car from car finance which is 16000 + 40 interest per week plus 1500 for his advanced driving test . Case 2: The driving instructor David is 24 years old, single and living at...

Read this case and respond to questions after On November 1, 1999, Constable Olson of the Metro Toronto Police stopped Decovan (Dee) Brown, a man of African-American descent and a professional...

I need help on these 2 stats questions: Homework3: Problem 3 (1 point) To compare the effectiveness of a media campaign - via radio ads, billboards, and ads on social media websites - to reduce the...

Please solve all parts Question 1 18 pts A newly opened driving school is running a promotion to advertise their lessons to new drivers with learner permits. For each of the next 110 new drivers who...

Tiger Golf is a major supplier of golf equipment. Management belleves that Tiger Golf's market share could be increased with the introduction of a new golf ball which is cut-resistant and...

Using the following scenario as an example, grve the complete decision table for the requirement prvender Oesti Suppose we have a system that cheeks if a candidate for driving license fulfill all...