4. A 24 kg cart A and a 16 kg cart B are connected by a spring. The spring pushes them off in each direction with cart A moving at 5 m/s. What is cart B's speed?

When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?

Which statement correctly describes the relationship between frequency and wavelength?

The material that keeps its new shape after it is stretched is called?