a student is standing at a distance of 50 metres from the bus. as soon as the bus starts its motion with an acceleration of 1m/s². the student starts running towards the bus with uniform velocity u. assuming the motion to be along a straight road, the minimum value of u, so that the student is able to catch the bus is​

two charges are fixed in place on the x-axis as shown. the charge at x = 0 is negative and has magnitude q = 2 μcoulombs (1 μcoulomb = 10-6 coulombs). the charge at x = d, (d = +12 cm), is positive and has magnitude q = 4 μcoulombs. find a point x = xo along the x-axis at which the electric field is zero.

mass and volume are the answers you are looking for

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y