Physics
General
Easy
Question
A particle moves 4 m in the south direction. Then it moves 3 m in the west direction. The time taken by the particle is 2 second. What is the ratio between average speed and average velocity
The correct answer is:
Related Questions to study
physics-
In the adjacent figure is shown a closed path A long straight conductor carrying a current passes through and perpendicular to the plane of the paper. Then which of the following holds good?
In the adjacent figure is shown a closed path A long straight conductor carrying a current passes through and perpendicular to the plane of the paper. Then which of the following holds good?
physics-General
physics-
A current I enters a circular coil of radius R, branches into two parts and then recombines as shown in the circuit diagram
The resultant magnetic field at the centre of the coil is
A current I enters a circular coil of radius R, branches into two parts and then recombines as shown in the circuit diagram
The resultant magnetic field at the centre of the coil is
physics-General
physics-
The figure shows the cross-section of a long cylindrical conductor of radius a carrying a uniformly distributed current i. The magnetic field due to current at P is
The figure shows the cross-section of a long cylindrical conductor of radius a carrying a uniformly distributed current i. The magnetic field due to current at P is
physics-General
physics
Rohit completes a semi circular path of radius R in 10 seconds. Calculate average speed and average velocity in ms-1.
Rohit completes a semi circular path of radius R in 10 seconds. Calculate average speed and average velocity in ms-1.
physicsGeneral
physics-
If Young’s modulus of elasticity Y for a material is one and half times its rigidity coefficient the Poisson’s ratio will be
If Young’s modulus of elasticity Y for a material is one and half times its rigidity coefficient the Poisson’s ratio will be
physics-General
physics-
Four wires of the same material are stretched by the same load. Which one of them will elongate most if their dimensions are as follows
Four wires of the same material are stretched by the same load. Which one of them will elongate most if their dimensions are as follows
physics-General
physics-
A current is flowing through the loop. The direction of the current and the shape of the loop are as shown in the figure.
The magnetic field at the centre of the loop is times.
A current is flowing through the loop. The direction of the current and the shape of the loop are as shown in the figure.
The magnetic field at the centre of the loop is times.
physics-General
physics-
A part of a long wire carrying a current is bent into a circle of radius r as shown in figure. The net magnetic field at the centre O of the circular loop is
A part of a long wire carrying a current is bent into a circle of radius r as shown in figure. The net magnetic field at the centre O of the circular loop is
physics-General
physics-
A wire shown in figure carries a current of 40 A. If , the magnetic field at point will be
A wire shown in figure carries a current of 40 A. If , the magnetic field at point will be
physics-General
physics
A car covers one third part of its straight path with speed V1 and the rest with speed V2 . What is its average speed ?
A car covers one third part of its straight path with speed V1 and the rest with speed V2 . What is its average speed ?
physicsGeneral
physics
A bus travels between two points A and B. V1 and V2 are it average speed and average velocity then
A bus travels between two points A and B. V1 and V2 are it average speed and average velocity then
physicsGeneral
Maths-
If is defined by
If is defined by
Maths-General
physics
A car moving over a straight path covers a distance x with constant speed 10ms-1 and then the same distance with constant speed of V1.If average speed of the car is , 16 ms-1 then V2=...
A car moving over a straight path covers a distance x with constant speed 10ms-1 and then the same distance with constant speed of V1.If average speed of the car is , 16 ms-1 then V2=...
physicsGeneral
physics-
A copper wire of negligible mass, 1 m length and cross-sectional area is kept on a smooth horizontal table with one end fixed. A ball of mass 1 kg is attached to the other end. The wire and the ball are rotated with an angular velocity 20 radIf the elongation in the wire is , then the Young’s modulus is
A copper wire of negligible mass, 1 m length and cross-sectional area is kept on a smooth horizontal table with one end fixed. A ball of mass 1 kg is attached to the other end. The wire and the ball are rotated with an angular velocity 20 radIf the elongation in the wire is , then the Young’s modulus is
physics-General
physics-
Two wires of equal cross-section but one made of steel and the other of copper are joined end to end. When the combination is kept under tension, the elongations in the two wires are found to be equal. What is the ratio of the lengths of the two wires? (Given : steel =
Two wires of equal cross-section but one made of steel and the other of copper are joined end to end. When the combination is kept under tension, the elongations in the two wires are found to be equal. What is the ratio of the lengths of the two wires? (Given : steel =
physics-General