Two carts are next to each other with a spring between then. Cart A is twice the mass of cart B. The spring is compressed and held by a
string. The carts are placed directly beside each end of the spring. The
string is later cut so that the spring may expand. Cart B heads to the
right with a speed of 1.5 m/s.

With what speed (in m/s) does cart A move? And direction?

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Write a hypothesis about the effect of increasing resistance on the current in the circuit. use theformat and be sure to answer the lesson question. “how do changes in voltage or resistance affect current in an electric circuit? ”