A youngster throws a ball horizontally at speed of 10 ms-1 from a bridge 50 m above the river.

Ignore air resistance.

What is the velocity of the ball just before it lands?

A-4.60 μc charge is moving at a constant speed of 6.80×105 m/s in the +x−direction relative to a reference frame. at the instant when the point charge is at the origin, what is the magnetic-field vector it produces at the following points.

According to the tide table below what time of day will the highest tide occur?

An object in mechanical equilibrium is an object