The measure of an object's speed and direction is the object's

a.
momentum

b.
velocity

c.
speed

d.
acceleration

Now that the first three steps have been explained, identify the next three steps, in order. calculate the magnitude of r sum vector components calculate a and b magnitudes calculate the direction of r, calculate x, y components step 4 step 5 step 6

An ambulance emits a frequency of 450 hz from its siren. what frequency is heard by a man as the ambulance moves toward him? less than 450 hz more than 450 hz 450 hz 0 hz

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?