-Paheli moves on a straight road from point A to point C. She takes 20 minutes to cover a certain distance AB and 30 minutes to cover the rest of the distance BC. She then turns back and takes 30 minutes to cover the distance CB and 20 minutes to cover the rest of the distance to her starting point. She makes 5 rounds on the road the same way. Paheli concludes that her motion is
2 points
only rectilinear motion
only periodic motion
rectilinear and periodic both
neither rectilinear nor periodic
Answers
Answer:
Question 1:
The following table depicts the maximum temperature on the seven days of a particular week. Study the table and draw a line graph for the same.
Day Sun Mon Tues Wed Thurs Fri Sat
Maximum temp. (in °C) 25 28 26 32 29 24 31
ANSWER:
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Question 2:
Consider the following input/output table. Draw a line graph for it.
Input 1 2 4 5 7
Output 2 5 11 14 20
Now, use the graph drawn to predict the outputs for the inputs of 3 and 8.
ANSWER:
From the graph, we can see that outout for the inputs of 3 and 8 are 8 and 23 respectively.
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Question 3:
The table given below depicts the annual gross profit of a company for a period of 5 years. Study the table and draw a line graph for the same.
Year 2013 2014 2015 2016 2017
Gross profit (in lakhs of Rs) 17 15.5 11.4 12.1 14.9
ANSWER:
ans
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Question 4:
Ajeeta starts off from home at 7 a.m. with her father on a scooter that goes at a uniform speed of 30 km/hr. Her father drops her at her school after half an hour. She stays in the school till 1.30 p.m. and takes an autorickshaw to return home. The autorickshaw has a uniform speed of 10 km/hr. Draw the line graph for the given situation and also determine the distance of Ajeets's school from her home.
ANSWER:
distance of Ajeets's school from her home is given by
speed = distancetime
30 = distance1/2
distance = 15 km
Distance-Time graph is given by
hope its help you