Chapter 4 – Motion in Plane
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 [...]
A bird files at an angle of 60 degree to the horizontal. Its horizontal component of velocity is 10 m/s. Find the vertical component of velocity in m/s
10
Sep
A bird files at an angle of 60 degree to the horizontal. Its horizontal component of velocity is 10 m/s. Find the vertical component of velocity in m/s A bird files at an angle of 60 degree to the horizontal. Its horizontal component of velocity is 10 m/s. Find the vertical component of velocity in [...]
What is the relationship between time of flight T and horizontal range R ? ( where theta is angle of projection with the horizontal)
10
Sep
What is the relationship between time of flight T and horizontal range R ? ( where theta is angle of projection with the horizontal) What is the relationship between time of flight T and horizontal range R ? ( where theta is angle of projection with the horizontal) September 10, 2020 Category: Chapter 4 - [...]
A body is projected horizontally with a velocity of 4 root 2 m/sec. The velocity of the body after 0.7 seconds will be nearly: (Take g=10m/sec^2)
10
Sep
A body is projected horizontally with a velocity of 4 root 2 m/sec. The velocity of the body after 0.7 seconds will be nearly: (Take g=10m/sec^2) A body is projected horizontally with a velocity of 4 root 2 m/sec. The velocity of the body after 0.7 seconds will be nearly: (Take g=10m/sec^2) September 10, 2020 [...]
A ball is projected horizontally with a velocity of 5m/s from the top of a building 19.6m high. How long will the ball take to hit the ground ?
10
Sep
A ball is projected horizontally with a velocity of 5m/s from the top of a building 19.6m high. How long will the ball take to hit the ground ? A ball is projected horizontally with a velocity of 5m/s from the top of a building 19.6m high. How long will the ball take to hit [...]