A Ferris wheel has a radius of 25 feet. The wheel is rotating at two revolutions per minute. Find the linear speed, in feet per minute, of a seat on this Ferris wheel ...?

How many years does it take for 1/4 of a carbon-14 atom to decay?

What are used by organisms for long-term energy storage

A refrigerator a. produces cold. b. removes heat from a cold region and delivers the same amount of heat to a hotter region. c. causes heat to disappear. changes heat to cold. d.

A scientific hypothesis can become a theory if ...

How is sound detected by the brain? A. electromagnetic waves B. Bones amplifying sound C. Vibrations D. Electrical impulses from the ear

If the mass of an object is 300kg and the applied force is 3900N, calculate the acceleration

If a cup of coffee is at 90°C and a person with a body temperature of 36°C touches it, how will heat flow between them? A. from the hand to the cup B. from the cup to the hand C. from the cup to the surrounding air D.

Big Al stands on a skateboard at a rest and throws a 0.5-kilogram rock at a velocity of 10.0 m / sec. Big Al moves back at 0.05 m/sec. What is the combined mass of Big Al and the skateboard?

What are the element names for the following symbols? Ni, He, Pb

If you are measuring how far a ball traveled in an experiment which example below could be an appropriate measurement? 20 liters 20 grams 20 meters 20 degrees Celsius