Physics-
General
Easy
Question
An automobile in travelling at can be stopped at a distance of 40 m by applying brakes. If the same automobile is travelling at all other conditions remaining same and assuming no skidding, the minimum stopping distance in metre is
- 72
- 92.5
- 102.6
- 129.6
The correct answer is: 129.6
Stopping distance
Related Questions to study
Physics-
A car moves from with a uniform speed and returns to with a uniform speed The average speed for this round trip is
A car moves from with a uniform speed and returns to with a uniform speed The average speed for this round trip is
Physics-General
Physics-
The and coordinates of a particles at any time are given by and where and are in metre and in second. The acceleration of particle at is
The and coordinates of a particles at any time are given by and where and are in metre and in second. The acceleration of particle at is
Physics-General
Physics-
Statement 1: When an automobile while going too fast around a curve overturns, its inner wheels leave the ground first
Statement 2: For a safe turn the velocity of automobiles should be less than the value of safe limit velocity
Statement 1: When an automobile while going too fast around a curve overturns, its inner wheels leave the ground first
Statement 2: For a safe turn the velocity of automobiles should be less than the value of safe limit velocity
Physics-General
Physics-
Statement 1: The vector is a unit vector.
Statement 2: Unit vector is one which has unit magnitude and a given direction.
Statement 1: The vector is a unit vector.
Statement 2: Unit vector is one which has unit magnitude and a given direction.
Physics-General
Physics-
Statement 1: In circular motion, the centripetal and centrifugal force acting in opposite direction balance each other
Statement 2: Centripetal and centrifugal forces don’t act at the same time
Statement 1: In circular motion, the centripetal and centrifugal force acting in opposite direction balance each other
Statement 2: Centripetal and centrifugal forces don’t act at the same time
Physics-General
Physics-
Statement 1: Improper banking of roads causes wear and tear of tyres
Statement 2: The necessary centripetal force in that event is provided by the force of friction between the tyres and the road
Statement 1: Improper banking of roads causes wear and tear of tyres
Statement 2: The necessary centripetal force in that event is provided by the force of friction between the tyres and the road
Physics-General
Physics-
Statement 1: A safe turn by a cyclist should neither be fast nor sharp
Statement 2: As the bending of angle from the vertical would decrease
Statement 1: A safe turn by a cyclist should neither be fast nor sharp
Statement 2: As the bending of angle from the vertical would decrease
Physics-General
Physics-
Statement 1: If both the speed of a body and radius of its circular path are doubled, then centripetal force also gets doubled
Statement 2: Centripetal force is directly proportional to both speed of a body and radius of circular path
Statement 1: If both the speed of a body and radius of its circular path are doubled, then centripetal force also gets doubled
Statement 2: Centripetal force is directly proportional to both speed of a body and radius of circular path
Physics-General
Physics-
Statement 1: A football whether kicked at or will strike the ground at the same place, although when kicked at , it will remain longer in the air
Statement 2: Air resistance is more for larger angle
Statement 1: A football whether kicked at or will strike the ground at the same place, although when kicked at , it will remain longer in the air
Statement 2: Air resistance is more for larger angle
Physics-General
Physics-
Statement 1: The resultant of three vectors and and as shown in figure is . is the radius of circle
Statement 2: is along and () is along .
Statement 1: The resultant of three vectors and and as shown in figure is . is the radius of circle
Statement 2: is along and () is along .
Physics-General
Physics-
Statement 1: When the velocity of projection of a body is made time, its time of flight becomes times
Statement 2: Range of projectile does not depend on the initial velocity of body
Statement 1: When the velocity of projection of a body is made time, its time of flight becomes times
Statement 2: Range of projectile does not depend on the initial velocity of body
Physics-General
Physics-
Statement 1: At the highest point of projectile motion given angular projection, the velocity is not zero
Statement 2: Only the vertical component of velocity is zero whereas horizontal component still exists
Statement 1: At the highest point of projectile motion given angular projection, the velocity is not zero
Statement 2: Only the vertical component of velocity is zero whereas horizontal component still exists
Physics-General
Physics-
Statement 1: The maximum horizontal range of projectile is proportional to square of velocity
Statement 2: The maximum horizontal range of projectile is equal to maximum height attained by projectile
Statement 1: The maximum horizontal range of projectile is proportional to square of velocity
Statement 2: The maximum horizontal range of projectile is equal to maximum height attained by projectile
Physics-General
Physics-
Statement 1: When range of a projectile is maximum, its angle of projection may be or
Statement 2: Whether is or , value of range remains the same, only the sign changes
Statement 1: When range of a projectile is maximum, its angle of projection may be or
Statement 2: Whether is or , value of range remains the same, only the sign changes
Physics-General
Physics-
Statement 1: As the frictional force increases, the safe velocity limit for taking a turn on an unbanked road also increases
Statement 2: Banking of roads will increases the value of limiting velocity
Statement 1: As the frictional force increases, the safe velocity limit for taking a turn on an unbanked road also increases
Statement 2: Banking of roads will increases the value of limiting velocity
Physics-General