A tennis ball was hit and was traveling at a constant speed. The graph above shoes the distance the tennis ball traveled from its starting point in 5 seconds. What was the tennis ball's speed?

Which bonds are found inside a water molecule

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point