ruchiket

two particles moving along x-axis in the same direction with uniform velocity is 8 metre per second and 4 metre per second initially the first particle is 21 m to the left of the origin and the second one is 7 m to the right of the origin to particle meet...

Two stones are thrown vertically upwards with the same velocity of 49m/s. If they are thrown one after the other with 3 seconds in between, what is the height at which they collide?

a wooden block of density 860 kg per metre cube at zero degree celsius is floating on benzene liquid of density 900 kg per metre cube at zero degree celsius the temperature at which the block just submerge in Benzene is