Question Answers
Sahay Sir > Question Answers
A particle starts from the origin at time t = 0 and moves along the positive x – axis. The graph of velocity with respect to time is shown in figure. What is the position of the particle at time t = 5s?
16
Sep
A particle starts from the origin at time t = 0 and moves along the positive x – axis. The graph of velocity with respect to time is shown in figure. What is the position of the particle at time t = 5s? A river is flowing from west to east at a speed of [...]
A car travels 6 km towards north at an angle of 45 to the east and then travels distance of 4km towards north at an angle of 135 to the east. How far is the point from the starting
16
Sep
A car travels 6 km towards north at an angle of 45 to the east and then travels distance of 4km towards north at an angle of 135 to the east. How far is the point from the starting A car travels 6 km towards north at an angle of 45 to the east and [...]
The acceleration of a particle varies with time t seconds according to the relation a = 6t + 6 ms^2. Find the velocity and position as function of time. It is given that the particle starts
16
Sep
The acceleration of a particle varies with time t seconds according to the relation a = 6t + 6 ms^2. Find the velocity and position as function of time. It is given that the particle starts The acceleration of a particle varies with time t seconds according to the relation a = 6t + 6 [...]
A man can swim with velocity v relative to water.He has to cross a river of width d flowing with a velocity u(u>v). The distance traveled by man along the flow is x, when he reaches to opposite bank. For x to be minimum the person should swim at an angle alpha with the direction of the flow of water, where alpha is
16
Sep
A man can swim with velocity v relative to water.He has to cross a river of width d flowing with a velocity u(u>v). The distance traveled by man along the flow is x, when he reaches to opposite bank. For x to be minimum the person should swim at an angle alpha with the direction [...]
Tags:
A man can swim with velocity v relative to water.He has to cross a river of width d flowing with a velocity u(u>v). The distance traveled by man along the flow is x ,
when he reaches to opposite bank. For x to be minimum the person should swim at an angle alpha with the direction of the flow of water ,
where alpha is ,
A river is flowing from west to east at a speed of 5 metre per minute. A man on the south bank of the river , capable of swimming at 10 metre per minute, in still water , wants to swim across the river in the shortest time . He should swim
16
Sep
A river is flowing from west to east at a speed of 5 metre per minute. A man on the south bank of the river , capable of swimming at 10 metre per minute, in still water , wants to swim across the river in the shortest time . He should swim A river is [...]
The acceleration of a motorcycle is given by ax (t) = At – Bt^2, where A = 1.50 m s^3 and B = 0.120 ms. The motorcycle is at rest at the origin at time t = 0
16
Sep
The acceleration of a motorcycle is given by ax (t) = At – Bt^2, where A = 1.50 m s^3 and B = 0.120 ms. The motorcycle is at rest at the origin at time t = 0 The acceleration of a motorcycle is given by ax (t) = At - Bt^2 where A = [...]
The acceleration of a bus is given by ax(t) = at, where a = 1.2 ms^-2. a. If the bus’s velocity at time t = 1.0 s is 5.0 m/s, what is its velocity at time t = 2.0 s
16
Sep
The acceleration of a bus is given by ax(t) = at, where a = 1.2 ms^-2. a. If the bus’s velocity at time t = 1.0 s is 5.0 m/s, what is its velocity at time t = 2.0 s The acceleration of a bus is given by ax(t) = at what is its velocity [...]
A river is flowing from west to east with a speed of 5m/min. A man can swim in still water with a velocity 10m/min. In which direction should the man swim so as to take the shortest possible path to go to the south.
16
Sep
A river is flowing from west to east with a speed of 5m/min. A man can swim in still water with a velocity 10m/min. In which direction should the man swim so as to take the shortest possible path to go to the south. A particle is projected at an angle with horizontal. If T [...]
A particle moves along a straight line such that its displacement s at any time t is given by s = t^3 – 6t^2 + 3t + 4m, t being is second. Find the velocity of the particle when the acceleration
16
Sep
A particle moves along a straight line such that its displacement s at any time t is given by s = t^3 – 6t^2 + 3t + 4m, t being is second. Find the velocity of the particle when the acceleration A particle moves along a straight line such that its displacement s at any [...]
A body is projected horizontally from a height of 20 m. It reaches the ground at a horizontally distance of 40m. The speed of particle when it hits the ground is
16
Sep
A body is projected horizontally from a height of 20 m. It reaches the ground at a horizontally distance of 40m. The speed of particle when it hits the ground is A body is projected horizontally from a height of 20 m. It reaches the ground at a horizontally distance of 40m. The speed of [...]