A car is travelling with a velocity of 90 km/hr and other with 72 km/hr in opposite directions, find the rela velocity between them.
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1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?

The dot diagram represents the motion of the motorcycle as it moves from left to right