A car turns a corner at 15 kph. If the car were to turn in a shorter radius, the centripetal acceleration will . If the radius of the arc is decreased to one-half, the centripetal acceleration is changed to its original value.

50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.

Apossible explanation for a set of facts that can be tested by further investigation is called

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.