ISLAMIyA ENGLISH SCHOOL ABU DHABI U. A. E....ISLAMIyA ENGLISH SCHOOL ABU DHABI U. A. E. Page ๐...
Transcript of ISLAMIyA ENGLISH SCHOOL ABU DHABI U. A. E....ISLAMIyA ENGLISH SCHOOL ABU DHABI U. A. E. Page ๐...
๐ท๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐๐๐ ๐ฑ๐๐๐๐ ๐ธ๐๐ ๐๐ ๐ด๐๐๐. ๐๐๐๐๐๐๐ (๐ฐ๐ฌ๐บ) Page 1 of 18
MATHEMATICS ASSIGNMENT GRADE-O/L (9F)
Topic.Travel Graph DATE:20/5/2017
NAME.------------------------------------------------------------------------------------------------
๐ธ๐.
Ans. 80km
ISLAMIyA ENGLISH SCHOOL ABU DHABI U. A. E.
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๐ธ๐ .A car, starting from rest, accelerates at a constant rate and attains a speed of 25 m/s after
5 seconds.
The car then travels at this speed for 20 seconds.
The car then slows down at a constant rate and comes to rest in 10 seconds.
(a) Represent this information on the speed-time graph.
๐๐๐๐ (๐๐๐)
Find, in m/s2,
(b) (i) the acceleration,
(ii) the rate at which the car slows down.( m/s2 )
(c) Find the total distance, in m, that the car has travelled. (2+2+2)
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๐ธ๐.
The distance between London and Brighton is 84 km. James leaves London at 1 pm and
takes 1 hour and 18 minutes to travel to Brighton.
(a) Show this information on the distance-time graph above. (1) He then stays in Brighton for 1 hour.
(b) Show this information on your distance-time graph. (1) James then travels back to London from Brighton at an average speed of 54 km/hour.
(c) Calculate the time, in hours to one decimal place, taken to travel back to London from Brighton.
(2) (d) Complete your distance-time graph. (1)
Ans.(c) 1.6 Hours
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๐ธ๐.
The diagram shows the distance-time graph of a train travelling from town A to town B.
Write down the total time in minutes that
(a) the train was moving, โฆโฆโฆโฆ.. minutes (1) (b) the train was stationary. ................ minutes (1)
Ans.a) 75 min. b) 45 min. 2009
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๐ธ๐.
Two towns, S and T, are connected by a road. The distance between S and T is 11 km.
John leaves town S at 10 00 and cycles along this road at a constant speed of 12 km/h.
After 30 minutes he stops and rests for 10 minutes. He then continues his journey to T at
a constant speed, arriving at 11 00.
(a) Draw the distance-time graph for Johnโs journey. (3) Michael leaves town T at 10 00. He walks along the same road towards S for one hour at
a constant speed of 3 km/h.
(b) Draw the distance-time graph for Michaelโs journey. (1)
(c) Write down the time at which John and Michael meet. (1) 2008
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๐ธ๐.
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๐7.
(b) Find the total distance, in metres, travelled by the train.
........................................................ m(2) Find
(c) the average speed, in m/s, of the train,
........................................................ m/s(1) (d) the rate, in m/s2, at which the train slows down.
........................................................ m/s2(1)
Ans.b) 10350 m c) 27m/s d) 0.5
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๐ธ๐.
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Q9.
๐10.
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2016 may
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Q11.
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Q12.
Triangle B is the image of triangle A under the combined transformation of a reflection in
the line y = โx followed by a translation.
(a) On the diagram draw and label the line y = โx. (1) (b) On the diagram draw the image of triangle A after a reflection in the line y = โx.
Label this image C. (1) (c) Describe the translation which maps triangle C onto triangle B. (2)
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Q13.
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Q14.
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Q15.
Ans. a) 75kmb) 25km/h c) 1.5 hours
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Q16.
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Q17.
(3)