Decreases efficiency by causing an energy loss to the environment

A. Mechanical advantage

B. Efficiency

C. Machine

D. Friction

How many atoms are there in the basis for the diamond crystal structure?

The 5 fitness components?

If the speed of sound is approximately 671 mi/hr, about how many meters per second is it? (1mile=1609m)

A puddle holds 150 g of water. If 0.50 g of water evaporates from the surface, what is the approximate temperature change of the remaining water? (Lv = 540 cal/g) a. + 1.8 C° b. - 1.8 C° c. + 0.18 C° d. - 0.18 C°

Which of the following materials is brittle? wood metal ceramic plastic

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent

A bowling ball is pushed with a force of 22.0N and accerlates at 5.5 m/s square. What is the mass of the bowling ball A - 4.0 kg B-0.25 kg C-25 kg D-4.00 kg

How to eat butter. I want to know how you all eat the butter.

What is the transfer of heat through a solid as a result of molecular action called? radiation convection conduction magnetism?