19K/s* الاسم الثلاثي والشعبةYour answerQI/ A car travelling at a constant velocity of 30 km/hr,see a man walking across the road (32m) ahead.The driverreaction time is 0.2 sec. , and the brakes are capable ofproduction a deceleration of 1.2 m/sec ,Calculate thedistance from where the car stops to where the mancrossing.Q2/ A truck with mass power ratio of 1200 kg/kwtravelling at a speed of 60 km/hr on a straight road of acertain grade with a smooth pavement. Assume the weightof truck is 1600 kg and the cross sectional area of the truckis 4.5 m2 .Find the max. grade which can be climb by thistruck?Q3/ Answer the following1- Classify the rural highways ,indicate the designspeed in km/hr for each class.2- What is the driver characteristics that effect theirdriving performance.1 Add fileSubmitClear formNever submit passwords through Google Forms.This form was created inside of University of Baghdad.Report Abuse

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QI/ A car travelling at a constant velocity of 30 km/hr, see a man walking across the road (32m) ahead .The driver reaction time is 0.2 sec. , and the brakes are capable of production a deceleration of 1.2 m/sec ,Calculate the distance from where the car stops to where the man crossing.

QI/ A car travelling at a constant velocity of 30 km/hr, see a man walking across the road (32m) ahead .The driver reaction time is 0.2 sec. , and the brakes are capable of production a deceleration of 1.2 m/sec ,Calculate the distance from where the car stops to where the man crossing.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

Question

19
K/s
* الاسم الثلاثي والشعبة
Your answer
QI/ A car travelling at a constant velocity of 30 km/hr,
see a man walking across the road (32m) ahead.The driver
reaction time is 0.2 sec. , and the brakes are capable of
production a deceleration of 1.2 m/sec ,Calculate the
distance from where the car stops to where the man
crossing.
Q2/ A truck with mass power ratio of 1200 kg/kw
travelling at a speed of 60 km/hr on a straight road of a
certain grade with a smooth pavement. Assume the weight
of truck is 1600 kg and the cross sectional area of the truck
is 4.5 m2 .Find the max. grade which can be climb by this
truck?
Q3/ Answer the following
1- Classify the rural highways ,indicate the design
speed in km/hr for each class.
2- What is the driver characteristics that effect their
driving performance.
1 Add file
Submit
Clear form
Never submit passwords through Google Forms.
This form was created inside of University of Baghdad.
Report Abuse

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