Sound takes about 3 ms (3 milliseconds) to travel 1 m.
How long will it take to travel from the
centre of a cricket pitch to spectators who
are 200 m away?

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

What causes the formation of ocean currents?

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew