A mini car of mass 750kg has a head on collision with a SUV ofmass 1200kg travelling at 40 m/s. Both cars stop dead. How fast was the mini car travelling? (Show working)

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

Ahurricane sweeps across the ocean and damages the houses of people living along the coast. which of these does not play any role in this interaction? air water glaciers living things

Why do some scientists and archeologists think that volta was not the first person to build a battery