The speed, v m s 1 , of a car during braking is given by v =

Question:

The speed, v m s⁻¹, of a car during braking is given by v = 30 − 5t, where t seconds is the time since the brakes were applied.

a. Sketch a graph of v against t.

b. How long does the car take to stop?

c. How far does it travel while braking?

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

Step by Step Answer:

Related Book For book-img-for-question

Cambridge IGCSE And O Level Additional Mathematics

ISBN: 9781510421646

1st Edition

Authors: Val Hanrahan, Jeanette Powell

See More Books

Question Posted: Sep 06, 2021 01:36 AM

See More Questions

A car of mass m travelling at speed v moves on a horizontal track so that the centre of mass describes a circle of radius r. Show that the limiting speed beyond which the car will overturn is given...
How long does it take light to travel from this text to your eyes? Assume a distance of 50.0 cm.
A car moves with speed v on a horizontal circular track of radius R. A head-on view of the car is shown in Figure P12.73. The height of the cars center of mass above the ground is h, and the...
Rachael Ray Corporation had the following transactions. 1. Sold land (cost $12,000) for $15,000. 2. Issued common stock for $20,000. 3. Recorded depreciation of $17,000. 4. Paid salaries of $9,000....
Hydrogen sulfide is a gas with the odor of rotten eggs. The gas can sometimes be detected in automobile exhaust. It is a compound of hydrogen and sulfur in the atomic ratio 2 : 1. A sample of...
Define the two types of sexual harassment.
Aangi sends Anil a purchase order stating that only her terms apply and that in the event of a dispute between the parties in connection with the transaction, the dispute will be submitted to...
Accounting for bonds using amortized cost measurement based on the historical market interest rate. OBrien Corporation issues $8,000,000 face value, 8% semiannual coupon bonds maturing in 20 years....
All work must be shown on every facet of the solution. This includes a timeline with cashflows, timing and rates clearly laid out and formulas (in pure form, not in the calculator or excel form). A...
Pat is a single 28-year-old resident who works as a project manager in Perth. During the 2021/22 income year, Pat earned $92,000 in salary, from which his employer withheld $22,256 in tax under the...
The velocity of a moving object at time t seconds is given by v m s 1 , where v = 15t 2t 25. a. Find the times when the object is instantaneously at rest. b. Find the acceleration at these times....
In the early stages of its motion the height of a rocket, h metres, is given by h = 1/6t 4 , where t seconds is the time after launch. a. Find expressions for the velocity and acceleration of the...
On average, a college student last year graduated with $27,200 in debt (The Boston Globe, May 27, 2012). A researcher collects data on debt from 40 recent undergraduates from Connecticut. The data...
Murphy's Auto Co. purchased a large piece of equipment on January 1, 2004. The equipment is being depreciated, using the straight-line method, at the rate of $10,000 per year with no salvage value....
Ling has just retired and wants to determine the PV of the pension payments she will receive. The pension payment is paid annually, at the end of the year, and the first payment will be $25,000. The...
Angela (69) and Mary (59) are filing joint on their Maryland tax return. Their federal AGI is $63,000. What is the total exemption amount they can claim on their Maryland tax return?
The algorithm Seq(n) is shown below. What is the value returned by Seq(10)? Seq(n) { if (n = 1) else return 1 if (n = 2) else if (n = 3) return 3 else return 2 return (Seq(n-3) + Seq(n-2)) } Answer:
A company invests $400,000 in a new Information System but chooses to forgo on the training and support offered by the IT vendor to save on the yearly cost of additional $100,000. As a result, errors...
det(A + B) = det(A) + det(B) In the case of a true statement, explain or prove your answer. In the case of a false statement, give an example to show that the statement is not always true. In each of...
Explain the circumstances that could result in a long-term bank loan being shown in a statement of financial position as a current liability.
a. Find d/dx(xe 2x e 2x /2). b. Hence find xe 2x dx.
a. Find the value of the constant A such that 6x-5/2x-3 = 3 + A/2x -3. b. Hence show that 6x - 5 7 dx 6+2 ln 3 s 2x-3
A curve is such that d 2 y/dx 2 = 45 cos 3x + 2 sin x. Given that dy/dx = - 2 when x = 0 and that the curve passes through the point (, -1), find the equation of the curve.
Let M = [ 5 , 7 ; 3 , 4 ] . Find matrix N with entry N 2 1 = 9 such that N similar to M and explain your reasoning
Order: Cephalexin 1 g PO as an initial dosage on day 1, and then 500 mg PO q6h for another 7 days. Dose on hand: 500 mg per capsule How many capsule(s) does the nurse administer to the client for a...
A physician order for a client states Lasix 2 mg/kg PO QID for weight 23 lbs. The medication bottle label states Lasix 8 mg/mL solution. How many mL of Lasix solution does the nurse administer for...

The speed, v m s 1 , of a car during braking is given by v =

Question:

Step by Step Answer:

a The equation v 30 5t represents a linear function On a graph with speed on the yaxis and ...View the full answer

Cambridge IGCSE And O Level Additional Mathematics

Students also viewed these Sciences questions