El mejor tiempo en los 100m planos lo obtuvo el jamaiquino Usain Bolt, que es de 9,58s. Determine, aproximadamente, su rapidez media.

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.

Identify some abiotic characteristics of the tundra biome.

Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?