A car is travelling to the right with a speed of 42 m/s. when the driver slams on the brakes. the car skids for 4.0 s with a constant acceleration before it comes to a stop. what is the displacement of the car as it skids to a stop?

Aregular polygon has angkes of size 150° each. how many side has the polygon

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?