3. A boy swings a rubber ball attached to a string over his head in a horizontal circular path. The string is 1.5 m long and the ball makes one complete turn every 0.60 seconds.
a. What is the average velocity of the ball?

Like a key in a lock, the shape of the. must bind with the. of the recieving neuron

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates