EASY
11th Telangana Board
IMPORTANT
Earn 100

A parachutist flying in an aeroplane jumps when it is at a height of 3 km above ground. He opens his parachute when he is about 1 km above ground. Describe his motion.

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 5
A bird holds a fruit in its beak and flies parallel to the ground. It lets go off the fruit at some height. Describe the trajectory of the fruit as it falls to the ground as seen by the bird.
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 5
A bird holds a fruit in its beak and flies parallel to the ground. It lets go off the fruit at some height. Describe the trajectory of the fruit as it falls to the ground as seen by a person on the ground.
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 6
A man runs across the roof of a tall building and jumps horizontally onto the lower roof of an adjacent building. If his speed is 9 m/s and the horizontal distance between the buildings is 10 m and the height difference between the roofs is 9 m, will he be able to land on the next building? (Take g=10 m/s2)
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 3 - Motion in a Straight Line>EXERCISES>Q 7
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.
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)