EASY
11th Telangana Board
IMPORTANT
Earn 100

A ball is dropped from the roof of a tall building and simultaneously another ball is thrown horizontally with some velocity from the same roof. Which ball lands first? Explain your answer.

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 8
A ball is dropped from a building and simultaneously another ball is projected upwards with some velocity. Describe the change in relative velocities of the balls as a function of time.
MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 9
A typical raindrop is is about 4 mm in diameter. If a raindrop falls from a cloud which is at 1 km above the ground, estimate its momentum when it hits the ground. (Density of water is 1000 kg·m-3 and g=9.8 m·s-2)
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 10
Show that the maximum height reached by a projectile launched at an angle of 45° is one quarter of its range.
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 velocity 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 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?