Part 1
A cricketer can throw a ball to a maximum horizontal distance of 100 m. With the same effort, he throws the ball vertically upwards. The maximum height attained by the ball is :
10
Sep
A cricketer can throw a ball to a maximum horizontal distance of 100 m. With the same effort, he throws the ball vertically upwards. The maximum height attained by the ball is : A cricketer can throw a ball to a maximum horizontal distance of 100 m. With the same effort he throws the ball [...]
A bomb is dropped from an aeroplane when it is at a height h directly above a target. If the aeroplane is moving horizontally at a speed v, the distance by which the bomb will miss the target is given by.
10
Sep
A bomb is dropped from an aeroplane when it is at a height h directly above a target. If the aeroplane is moving horizontally at a speed v, the distance by which the bomb will miss the target is given by. A bomb is dropped from an aeroplane when it is at a height h [...]
A ball falls from a table top with initial horizontal speed Vo. In the absence of air resistance, which of the following statement is correct.
10
Sep
A ball falls from a table top with initial horizontal speed Vo. In the absence of air resistance, which of the following statement is correct. A ball falls from a table top with initial horizontal speed Vo. In the absence of air resistance which of the following statement is correct? September 10, 2020 Category: Chapter [...]
The position of the particle given by r = 2t^2 + 3tj + 4 k, where t is in second and the coefficients have proper units for r to be in metre. the at of the particle at t = 1 s is
10
Sep
The position of the particle given by r = 2t^2 + 3tj + 4 k, where t is in second and the coefficients have proper units for r to be in metre. the at of the particle at t = 1 s is The position of the particle given by r = 2t^2 + 3tj [...]
An aeroplane flies around a square field ABCD of each side 1000 km. Its speed along AB is 250 km/h,along BC 500 km/h,along CD 200 km/h,and along DA 100 km/h. Its average speed(in km/h)over the entire trip is.
10
Sep
An aeroplane flies around a square field ABCD of each side 1000 km. Its speed along AB is 250 km/h,along BC 500 km/h,along CD 200 km/h,and along DA 100 km/h. Its average speed(in km/h)over the entire trip is. along BC 500 km/h along CD 200 km/h An aeroplane flies around a square field ABCD of [...]
A particle starts from the origin of coordinates at time t=0 and moves in the xy plane with a constant acceleration α in the y-direction. Its equation of motion is y=βx^2. Its velocity component in the x-direction is
10
Sep
A particle starts from the origin of coordinates at time t=0 and moves in the xy plane with a constant acceleration α in the y-direction. Its equation of motion is y=βx^2. Its velocity component in the x-direction is The coordinates of a particle moving in x-y plane at any instant of time t are x=4t^2; [...]
An aircraft is flying at a height of 3400 m above the ground. If the angle subtended at a ground observation point by the aircraft positions 10.0 s apart is 30, what is the speed of the aircraft ?
10
Sep
An aircraft is flying at a height of 3400 m above the ground. If the angle subtended at a ground observation point by the aircraft positions 10.0 s apart is 30, what is the speed of the aircraft ? An aircraft is flying at a height of 3400 m above the ground. If the angle [...]
The coordinates of a particle moving in x-y plane at any instant of time t are x=4t^2; y=3t^2. The speed of the particle at that instant is :
10
Sep
The coordinates of a particle moving in x-y plane at any instant of time t are x=4t^2; y=3t^2. The speed of the particle at that instant is : The coordinates of a particle moving in x-y plane at any instant of time t are x=4t^2; y=3t^2. The speed of the particle at that instant is [...]
If x = 5t + 3t^2 and y = 4t are the x and y co-ordinates of a particle at any time t second where x and y are in metre, then the acceleration of the particle
10
Sep
If x = 5t + 3t^2 and y = 4t are the x and y co-ordinates of a particle at any time t second where x and y are in metre, then the acceleration of the particle If x = 5t + 3t^2 and y = 4t are the x and y co-ordinates of a [...]
Three particles p, q and r are at rest at the vertices of an equilateral triangle of side s. Each of the particle starts moving with constant speed v m s ^-1. P is moving along PQ, Q along QR and R along RP. The particle will meet each other at time t given by
10
Sep
Three particles p, q and r are at rest at the vertices of an equilateral triangle of side s. Each of the particle starts moving with constant speed v m s ^-1. P is moving along PQ, Q along QR and R along RP. The particle will meet each other at time t given by [...]