A car travels at a velocity of 80 m/s, accelerates than stops in 250 second. What is the acceleration of the truck? (I’ll give brainliest please someone help me on this and explain it with work I don’t get it)

Apossible explanation for a set of facts that can be tested by further investigation is called

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.