1- A 6500 kg truck traveling at + 7 m /s collides head with a 2500 kg car have traveling with a velocity of - 3 m/s . the truck and the car entangle and move together after the collision as shown in figure below . Find : BEFORE AFTER a ) What is the velocity of the truck and the car immediately after the collision . b ) Fill the table below before and after the collision .

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change

Distinguish between linear momentum and angular momentum