The graph shows the progress of a car which traveled 300 km in 5 hrs. assuming that its speed remained constant, how far had the car gone after 2 hrs?

What causes the formation of ocean currents?

A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.