Is the use of a toaster 100% efficient? Why or why not

A stable system is a system in equilibrium true or false?

Where tornadose occur in the usa

When calculating power what two pieces of information are needed? A. Watts and Time B. Distance and Mass C. Work and Mass D. Work and Time

Why would a 100kg mass weigh more on jupiter than on earth?

A racecar burns gasoline to power its engine. As the car is racing around a track, what energy is involved in the system? Check all that apply. - mechanical energy - chemical energy - thermal energy - electromagnetic energy

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades

And object has a mass of 15g it has a volume of 7.5ml. find the density of the object.

I need this answered quickly. is the branch of science for naming and classifying organisms based on their natural relationships? A-physics B-taxonomy C-genetics D-biology

For a fixed amount of gas, if the absolute temperature of the gas is doubled, what happens to the pressure of the gas?

A 500-kilogram sports car accelerates uni- formly from rest, reaching a speed of 30 me- ters per second in 6 seconds. What distance has the car traveled during the 6 seconds?