Factorii care influenteaza calitatea reprezentărilor. Rezumat de 20 randuri

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.

Robin is swinging back and forth from a trapeze. in which of the following situations is his kinetic energy being transformed into potential energy