The efficency of a practical machine is less than 100% why?

Object dropped from height of 25 meters, what velocity will it hit the ground?

What is the word used to describe the approach that considers how the different aspects of health influence each other? tach files

Loghan and Kyle wanted to see if the type of ice cream in the freezer affects how hard or soft it is. At three different times, they placed one carton of different types of ice cream in the same location in the freezer.

An electrolyte is always a liquid.

Heterotrophs convert solar energy into chemical energy. a. True b. False

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

Formulas (equations) : A = 3x and B = 5x + 1 As x increases, does A or B go up faster? if x=0, then A=? if x=1 then B=?

Sound travels 2146 m through a material in 1.4 seconds. What is the material?

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time