A particle of unit mass undergoes one-dimensional motion such that its velocity varies
A particle of unit mass undergoes one-dimensional motion such that its velocity varies according to v(x) = bx⁻²ⁿ, where b…
7 years ago
Motion in Straight Line
The distance travelled by a particle starting from rest and moving
The distance travelled by a particle starting from rest and moving with an acceleration 4/3 ms⁻², in the third second…
7 years ago
An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m. When it is…
7 years ago
3 persons are initially at the 3 corners of an equilateral triangle
3 persons are initially at the 3 corners of an equilateral triangle whose side is equal to d. Each person…
7 years ago
The distance travelled by an object along a straight line in time t is given by
The distance travelled by an object along a straight line in time t is given by s=3-4t+5t², the initial velocity…
7 years ago
A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹. Assuming constant acceleration, the…
7 years ago
A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds. The velocity…
7 years ago
A body starts from rest with an acceleration of 2 m/s². After 5 second,
A body starts from rest with an acceleration of 2 m/s². After 5 second, the direction of acceleration reverses again…
7 years ago
Three particles A,B and C are thrown from the top of a tower with the same speed.
Three particles A,B and C are thrown from the top of a tower with the same speed. A is thrown…
7 years ago
The friction of the air causes a vertical retardation equal to 10%
The friction of the air causes a vertical retardation equal to 10% of the acceleration due to gravity (take g=10…
7 years ago