Physics-
General
Easy
Question
A boat is sent across a river with a velocity of boat is . If the resultant velocity of boat is then velocity of the river is :
The correct answer is:
Given Velocity of boat
Resultant velocity of boat
Velocity of river
Related Questions to study
Physics-
A bus start from rest with an acceleration of. A man who is 48m behind the bus starts with a uniform velocity of . The minimum time after which the ma will catch the bus
A bus start from rest with an acceleration of. A man who is 48m behind the bus starts with a uniform velocity of . The minimum time after which the ma will catch the bus
Physics-General
Physics-
Speed of two identical cars and at a specific instant. The ratio of the respective distances in which the two cars are stopped from that instant is
Speed of two identical cars and at a specific instant. The ratio of the respective distances in which the two cars are stopped from that instant is
Physics-General
Physics-
A body freely falling from rest has a velocity after it falls through distance . The distance it has to fall down further for its velocity to become double is
A body freely falling from rest has a velocity after it falls through distance . The distance it has to fall down further for its velocity to become double is
Physics-General
Physics-
The given graph shows the variation of velocity with displacement. Which one of the graph given below correctly represents the variation of acceleration with displacement
The given graph shows the variation of velocity with displacement. Which one of the graph given below correctly represents the variation of acceleration with displacementPhysics-General
Physics-General
Physics-
A particle is moving with constant acceleration from to in a straight line . If and are the velocities at and respectively then its velocity at the midpoint will be
A particle is moving with constant acceleration from to in a straight line . If and are the velocities at and respectively then its velocity at the midpoint will be
Physics-General
Physics-
The variation of velocity of a particle with time moving along a straight line is illustrated in the following figure. The distance travelled by the particle in four seconds is
The variation of velocity of a particle with time moving along a straight line is illustrated in the following figure. The distance travelled by the particle in four seconds isPhysics-General
Physics-General
Physics-
A body is at rest at . At , it starts moving in the positive -direction with a constant acceleration. At the same instant another body passes through moving in the positive -direction with a constant speed. The position of the first body is given by after time ‘’ and that of the second body by after the same time interval. Which of the following graphs correctly describes as a function of time ‘’
A body is at rest at . At , it starts moving in the positive -direction with a constant acceleration. At the same instant another body passes through moving in the positive -direction with a constant speed. The position of the first body is given by after time ‘’ and that of the second body by after the same time interval. Which of the following graphs correctly describes as a function of time ‘’
Physics-General
Physics-
A body travelling with uniform acceleration crosses two points and with velocities and d respectively. The speed of the body at the mid-point of and is nearest to
A body travelling with uniform acceleration crosses two points and with velocities and d respectively. The speed of the body at the mid-point of and is nearest to
Physics-General
Physics-
A body moves for a total of nine second starting from rest with uniform acceleration and then with uniform retardation, which is twice the value of acceleration and then stops. The duration of uniform acceleration
A body moves for a total of nine second starting from rest with uniform acceleration and then with uniform retardation, which is twice the value of acceleration and then stops. The duration of uniform acceleration
Physics-General
Physics-
A body is moving with uniform acceleration describes in the first and in next . Its initial velocity will be
A body is moving with uniform acceleration describes in the first and in next . Its initial velocity will be
Physics-General
Physics-
The particles and are thrown from the top of a tower with the same speed. is thrown up, is thrown down and is horizontally. They hit the ground with speeds and respectively
The particles and are thrown from the top of a tower with the same speed. is thrown up, is thrown down and is horizontally. They hit the ground with speeds and respectively
Physics-General
Physics-
A ball is thrown vertically upwards. Which of the following graph/graphs represent velocity-time graph of the ball during its flight (air resistance is neglecte(d)
A ball is thrown vertically upwards. Which of the following graph/graphs represent velocity-time graph of the ball during its flight (air resistance is neglecte(d)Physics-General
Physics-General
Physics-
A ball falls from height . After 1 second, another ball falls freely from a point below the point from where the first ball falls. Both of them reach the ground at the same time. What is the value of
A ball falls from height . After 1 second, another ball falls freely from a point below the point from where the first ball falls. Both of them reach the ground at the same time. What is the value of
Physics-General
Physics-
A particle starts from rest and travels a distance with uniform acceleration, then it travels a distance with uniform speed, finally it travels a distance with uniform retardation and comes to rest. If the complete motion of the particle in a straight line then the ratio of its average velocity to maximum velocity in
A particle starts from rest and travels a distance with uniform acceleration, then it travels a distance with uniform speed, finally it travels a distance with uniform retardation and comes to rest. If the complete motion of the particle in a straight line then the ratio of its average velocity to maximum velocity in
Physics-General
Physics-
A point initially at rest moves along axis. Its acceleration varies with time as If it starts from origin, the distance covered in 2 s is
A point initially at rest moves along axis. Its acceleration varies with time as If it starts from origin, the distance covered in 2 s is
Physics-General