EASY
11th Telangana Board
IMPORTANT
Earn 100

A force 2i∧+j∧-k∧ N acts on a body which is initially at rest. At the end of 20 seconds the velocity of the body is 4i∧+2j∧-2k∧ m/s. What is the mass of the body?

Important Questions on Motion in a Plane

MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 4 - Motion in a Plane>EXERCISES>Q 1
Ship A is 10 km due west of ship B. Ship A is heading directly north at a speed of 30 km/h, while ship B is heading in a direction 60° west of north at a speed of 20 km/h. Determine the magnitude of the velocity of ship B relative to ship A.
MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 4 - Motion in a Plane>EXERCISES>Q 1
Ship A is 10 km due west of ship B. Ship A is heading directly north at a speed of 30 km/h, while ship B is heading in a direction 60° west of north at a speed of 20 km/h. What will be their distance of closest approach?
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 4 - Motion in a Plane>EXERCISES>Q 2
If θ is the angle of projection, R the range, h the maximum height, T the time of flight then show that:
(a) tan θ =4hR  and
(b) h=gT28.
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 4 - Motion in a Plane>EXERCISES>Q 3
A projectile is fired at an angle of 60° to the horizontal with an initial velocity of 800 m/s, find the time of flight of the projectile before it hits the ground.
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 4 - Motion in a Plane>EXERCISES>Q 3
A projectile is fired at an angle of 60° to the horizontal with an initial velocity of 800 m/s, find the distance it travels before it hits the ground.
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 4 - Motion in a Plane>EXERCISES>Q 3
A projectile is fired at an angle of 60° to the horizontal with an initial velocity of 800 m/s, find the time of flight for the projectile to reach its maximum height. 
EASY
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 4 - Motion in a Plane>EXERCISES>Q 4
For a particle projected slantwise from the ground, the magnitude of its position vector with respect to the point of projection, when it is at the highest point of the path is found to be 2 times the maximum height reached by it. Show that the angle of projection is tan-1 2.
MEDIUM
11th Telangana Board
IMPORTANT
Intermediate First Year Physics>Chapter 4 - Motion in a Plane>EXERCISES>Q 5
An object is launched from a cliff 20 m above the ground at an angle of 30° above the horizontal with an initial speed of 30 m/s. How far horizontally does the object travel before landing on the ground?