EASY
11th Telangana Board
IMPORTANT
Earn 100

A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. What is the magnitude of average velocity of the man over the time interval 0 to 50 minutes? (Answer in km/h)

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Important Questions on Motion in a Straight Line

EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 1
A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. What is the magnitude of average speed of the man over the time interval 0 to 50 minutes? (Answer in km/h)
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 2
A car travels the first third of a distance with a speed of 10 km/hr, the second third at 20 km/hr and last third at 60 km/hr. What is its mean speed over the entire distance? (Answer in km/hr)
MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 3
A bullet moving with a speed of 150 m/s strikes a tree and penetrates 3.5 cm before stopping. What is the magnitude of its retardation in the tree and the time taken for it to stop after striking the tree?
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 4
A motorist drives north for 30 minutes at 85 km/hr and then stops for 15 minutes. He continues travelling north and covers 130 km in 2 hours. What is his total displacement and average velocity?
MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 5
A ball A is dropped from the top of a building and at the same time an identical ball B is thrown vertically upwards from the ground. When the balls collide the speed of A is twice that of B. At what fraction of the height of the building did the collision occur?
MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 6
Drops of water fall at the regular intervals from the roof of a building of height 16 m. The first drop strikes the ground at the same moment as the fifth drop leaves the roof. Find the distances between successive drops.
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 7
A hunter aims a gun at a monkey hanging from a tree some distance away. The monkey drops from the branch at the moment he fires the gun hoping to avoid the bullet. Explain why the monkey made a wrong move.
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 8
A food packet is dropped from an aeroplane, moving with a speed of 360 kmph in a horizontal direction from a height of 500 m. Find its time of descent in seconds. (g=10 m/s2)