A car is travelling to the right with a speed of 42\,\dfrac{\text m}{\text s}42 s m 42, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction when the driver slams on the brakes. The car skids for 4.0\,\text s4.0s4, point, 0, start text, s, end text with constant acceleration before it comes to a stop. What is the displacement of the car as it skids to a stop?

Which type of microscope would allow the viewer to see ribosomes inside a cell?

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33