Melting point of substances mass (kg) melting point of tin (°c) melting point of lead (°c) 1 w y 2 232 327 part 1: what will be the values of w and y for 1 kg of each substance? part 2: explain your answer for part 1.

Can anybody me with this? ? (picture included.)

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?