Jack travelled 360 km at an average speed of 80 km/h. Elaine took 1.5 hours more to complete the same amount of distance. What was Elaine’s average speed for the whole journey? km/h and m/s

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?