Fred rides his bicycle 5.1 miles in 21 minutes. What is Fred's average speed (in mi/h) ?

69PTS! Which choices are also major levels of classification? Choose all answers that are correct. A. Genus B. Species C. Group

Can a body possess velocity at the same time in horizontal and vertical directions?

A tree branch is floating in water. The total volume of the branch is 1.12 m3 and 75.0 percent of the volume is submerged. The density of water is 1000 kg/m3. Find the buoyant force on the branch.

A coil has an inductance of 8.00 mh, and the current in it changes from 0.200 a to 1.50 a in a time interval of 0.350 s. find the magnitude of the average induced emf in the coil during this time interval. mv

A pan of water is placed on the stove and heated. The initial temperature of the water is 20 degree Celsius. The final temperature is 42. How much energy is required to heat 100 g of water if water has a specific heat of 4.190 J/gK?

A CFL bulb has an efficiency of 8.9% and a power of 22 W. How much light energy does the lightbulb produce in 1 second

Which of the following is true of high clouds?

A ferris wheel takes 5 minutes to complete one full rotation, what is the angular velocity of the ferris wheel

A heat engine has a thermal efficiency of 45%. how much power does the engine produce when heat is transferred into it at a rate of 109 kj/hr?

Dos pelotas de tenis se lanzan verticalmente, hacia arriba y desde el mismo punto, con 2 s de diferencia. La velocidad inicial de la primera es de 20 m/s, y la de la segunda, de 30 m/s.