tyler travelled from town F to town G. For the first 2.5 hours, he travalled at a constant speed of 60 km/h. For the next 1.5 hours, he travelled at a constant speed of 80 km/h. What was the average speed for the whole journey?

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

Which is an example of an exothermic process?

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving