Arihant Physics by D.C Pandey

Position vector of a particle moving in x−y plane at time t is r=a(1−cosωt) iˆ+a sin ωt jˆ . The path of the particle is Position vector of a particle moving in x−y plane at time t is r=a(1−cosωt) iˆ+a sin ωt jˆ . The path of the particle is November 26, 2020 Category: Arihant [...]

The x and y co-ordinates of a particle is x = A sin(ωt) and y = A sin(ωt+π​/2) . Then the motion of the particle is The x and y co-ordinates of a particle is x = A sin(ωt) and y = A sin(ωt+π​/2) . Then the motion of the particle is November 26, 2020 [...]

A point moves in x-y plane according to the law x=4 sin 6t and y=4 (1-cos6t). the distance travelled by the particle in4 seconds,is (x and y) are in metre). A point moves in x-y plane according to the law x=4 sin 6t and y=4 (1-cos6t). the distance travelled by the particle in4 seconds is [...]

Two cars A and B cross a point P with velocities 10 m/s and 15 m/s. After that they move with different uniform accelerations and the car A overtake B with a speed of 25ms−1. What is velocity of B at that instant? In the diagram 100 kg block is hanging from a pulley and [...]

A bus is moving with a velocity of 10 m s−1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist with what speed should the scooterist chase the bus? In the diagram 100 kg block is hanging [...]

Two cars are moving in the same direction with the same speed 30km/hr . They are separated from each other by 5km.Third car moving in the opposite direction meets the two cars after an interval of 4 minutes, what is the speed of the third car? In the diagram 100 kg block is hanging from [...]

If a spring has time period T, and is cut into n equal parts, then the time period of each part will be: and is cut into n equal parts If a spring has time period T then the time period of each part will be: November 7, 2020 Category: Arihant Physics by D.C Pandey [...]

In a simple harmonic oscillator, at the mean position at the mean position In a simple harmonic oscillator November 7, 2020 Category: Arihant Physics by D.C Pandey , Chapter 16 - Waves , Volume 1 ,

A child swinging on a swing in sitting position, stands up then the time period of the swing will A child swinging on a swing in sitting position stands up then the time period of the swing will November 7, 2020 Category: Arihant Physics by D.C Pandey , Chapter 16 - Waves , Volume 1 [...]

The displacement of a particle varies according to the relation x=4(cosπt+sinπt). The amplitude of the particle is: The displacement of a particle varies according to the relation x=4(cosπt+sinπt). The amplitude of the particle is: November 7, 2020 Category: Arihant Physics by D.C Pandey , Chapter 16 - Waves , Volume 1 ,