During a field experiment about speed, a scientist created the chart above. The chart shows distance and time measurements for a racing car on the straight section of a race track. What is the racing car's speed?

28. a stone is projected at a cliff of height h with an initial speed of 42.0 mls directed at angle θ0 = 60.0° above the horizontal. the stone strikes at a, 5.50 s after launching. find (a) the height h of the cliff, (b) the speed of the stone just before impact at a, and (c) the maximum height h reached above the grou

Adiagram show how a converging lens can produce a real image and virtual image

Aforce f making an angle with the horizontal is acting on an object resting on the table. which statement is true for the motion of sliding the object on the table?