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A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when :
28
Aug
A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when : A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when : August 28, 2020 Category: Chapter 10 - [...]
Two cars A and B are moving west to east and south to north, respectively, along crossroads. A moves with a speed of 20 m s^-1 and is 500 m away from the point of intersection of cross roads and B moves with a speed of 15 ms^-1 and is 400 m away from the point of intersection of cross roads. Find the shortest distance between them.
28
Aug
Two cars A and B are moving west to east and south to north, respectively, along crossroads. A moves with a speed of 20 m s^-1 and is 500 m away from the point of intersection of cross roads and B moves with a speed of 15 ms^-1 and is 400 m away from the [...]
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respectively ,
Two cars A and B are moving west to east and south to north ,
Two particles A and B are moving with constant velocities v 1 and v 2 . At t = 0 ,
Two particles A and B are moving with constant velocities v_1 and v_2. At t = 0 ,
v 1 makes an angle θ 1 with the line joining A and B and v 2 makes an angle θ 2 with the line joining A and B. Find their velocity of approach. ,
What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that it can complete the loop?
28
Aug
What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that it can complete the loop? What is the minimum velocity with which a body of mass m must enter a vertical loop of radius R so that it can complete the loop? August [...]
A cube of wood supporting 200gm mass just floats in water. When the mass is removed, the cube ruses by 2cm. What is the size of the cube?
28
Aug
A cube of wood supporting 200gm mass just floats in water. When the mass is removed, the cube ruses by 2cm. What is the size of the cube? A cube of wood supporting 200gm mass just floats in water. When the mass is removed the cube ruses by 2cm. What is the size of the [...]
The circular motion of a particle with constant speed is
28
Aug
The circular motion of a particle with constant speed is The circular motion of a particle with constant speed is August 28, 2020 Category: Chapter 10 - Circular Motion , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
A cubical block of wood 10 cm on a side floats at the interface between oil and water with its lower surface horizontal and 4 cm below the interface. The density of oil is 0.6 g/cm^3. The mass of block is
28
Aug
A cubical block of wood 10 cm on a side floats at the interface between oil and water with its lower surface horizontal and 4 cm below the interface. The density of oil is 0.6 g/cm^3. The mass of block is density of ice d. =0.917×103kg/m3 What fraction of an iceberg ice beneath the surface [...]
Two particles A and B are moving with constant velocities v1 and v2. At t = 0, v1 makes an angle theta 1 with the line joining A and B and v2 makes an angle theta 2 with the line joining A and B. (a) Find the condition for A and B to collide. (b) Find the time after which A and B will collide if separation between them is d at t = 0.
28
Aug
Two particles A and B are moving with constant velocities v1 and v2. At t = 0, v1 makes an angle theta 1 with the line joining A and B and v2 makes an angle theta 2 with the line joining A and B. (a) Find the condition for A and B to collide. (b) [...]
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Two particles A and B are moving with constant velocities v 1 and v 2 . At t = 0 ,
Two particles A and B are moving with constant velocities v_1 and v_2. At t = 0 ,
v 1 makes an angle θ 1 with the line joining A and B and v 2 makes an angle θ 2 with the line joining A and B. Find their velocity of approach. ,
What fraction of an iceberg ice beneath the surface of the sea? Density of sea water (ρ) = 1.028 × 10^3kg/m^3, density of ice d = 0.917 × 10^3 kg/m^3
28
Aug
What fraction of an iceberg ice beneath the surface of the sea? Density of sea water (ρ) = 1.028 × 10^3kg/m^3, density of ice d = 0.917 × 10^3 kg/m^3 density of ice d. =0.917×103kg/m3 What fraction of an iceberg ice beneath the surface of the sea? Density of sea water (ρ)=1.028×103kg/m3 August 28, 2020 [...]
A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 seconds for every circular lap. The average velocity and average speed for each circular lap respectively is:
28
Aug
A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 seconds for every circular lap. The average velocity and average speed for each circular lap respectively is: A car runs at a constant speed on a circular track of radius 100 m taking 62.8 seconds for every circular [...]
Two particles A and B are moving with constant velocities v 1 and v 2 . At t = 0, v 1 makes an angle θ 1 with the line joining A and B and v 2 makes an angle θ 2 with the line joining A and B. Find their velocity of approach.
28
Aug
Two particles A and B are moving with constant velocities v 1 and v 2 . At t = 0, v 1 makes an angle θ 1 with the line joining A and B and v 2 makes an angle θ 2 with the line joining A and B. Find their [...]