URGENT ASAP The driver of a 1000 kg car is speeding. He loses control and collides with a wall. The car comes to rest from a speed of 40 m/s. The crumple zone of the car absorbed 80 kN of force. How long did it take for the car to come to rest?

In an experiment, how can i change human errors? be specific.

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?