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Two smooth spheres P,Q each of radius 25 cm and weighing 500N, rests in a horizontal channel having vertical walls. if the distance between the walls is 90 cm, make calculations for the pressure exerted on the wall and floor at points A,B and C.
Physics
Ana runs 4m, 40° North of East; 2m east; 5.2 m, 30° South of West; 6.5 m, south. Find her resultant displacement
Write electric potential due to point change Q.
Explain properties of electric charge.
Four equal positive charges placed on corner on square. Find force on its centre
Physics
A particle is initially moving along the positive x-axis at a speed of 16.0m/s. After 2.30s the particle is moving along the negative y-axis at a speed of 11.5m/s. Find the x and y components of the particles acceleration.
What is the particles acceleration in the x direction?
What is the particles acceleration in the y direction?
What is the particles acceleration in the x direction?
What is the particles acceleration in the y direction?
Physics
A truck ran into a tree trunk that fell across the road. The driver claims that he was going the speed limit, 45 mph (20 m/s), and as soon as the tree fell, he slammed on his brakes, but there was no way for him to stop in time. Accident investigators found that the car left skid marks 43.4 m long. You know that, on dry pavement, a car of that size with that type of tires will decelerate at 6.5 m/s2 when skidding. Estimate his actual speed.
write special note regarding Lorenz transformation for position in special theory of relativity.
what is capillary effect explain through some examples.
a ladder is sliding against a vertical wall.its horizontal velocity is v and at a instant it make angle 30 degree with horizontal .then find the velocity of COM
