usain bolt can run 100 m in 9.77s. if he ran this fast at a constant speed, how long will it take him to run a mile

Um carro viaja de uma cidade A a uma cidade B, distantes 200km. seu percurso demora 4 horas, pois decorrida uma hora de viagem, o pneu dianteiro esquerdo furou e precisou ser trocado, levando 1 hora e 20 minutos do tempo total gasto.

Regions in the milky way where density waves have caused gas clouds to crash into each other are called

Why does the fed rarely change the reserve requirement

Find the chemical formulas for three vitamins and identify two elements found in each.

How are electric circuits and systems for carrying water in building similar

A wave has a speed of 6 m/s and a wavelength of 12 m. What is the frequency of this wave? a. 2.0 Hz b. 0.5 Hz c. 18 Hz d. 72 Hz

What is the acceleration of a body revolving in a circle at uniform speed? A. The acceleration is zero. B. The acceleration is directed tangentially. C. The acceleration is directed toward the center. D.

What volume is occupied by 2.35 moles of he at 25 degree c and a pressure of 0.980 atm?

3. A stone is thrown upward at an angle. What happens to the horizontal component of its velocity as it rises

An arc welder provides 250A of current when operating with a voltage of 40V. What is the power required by this welder? Explain your answer.