8. An object experiences a force that is 10N up, 10N down, 25N right, and 10N left, what is the net force occurring on the object?

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force...

The temperature at a point (x, y) is t(x, y), measured in degrees celsius. a bug crawls so that its position after t seconds is given by x = 6 + t , y = 8 + 1 3 t, where x and y ar...

Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electr...

Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current...

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect....

Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical...

An athlete performing a long jump leaves the ground at a 27.0 degree angle and lands 7.80m away. what was the takeoff speed?...

Which of the following is an example of a compound machine. a. a bicycle chain. b. a coffee mug. c. a paper cutter...

En casa de inés el gasto de electricidad supone un doceavo del presupuesto mensual de ese gasto cuatro quintos corresponde al consumo de los electrodomésticos y de este consumo tre...

Science is the process of asking scientific questions about which of the following? a. test resultsb. the world around youc. theories and lawsd. hypotheses...

Rays of sunlight traveling in the x-y plane reflect off of a glass window which lies in the x-z plane. the sunlight has an incident angle of 30° the reflected light may be partiall...

Asubatomic particle could have a charge of (1) 5.0 × 10–20 c (2) 8.0 × 10–20 c (3) 3.2 × 10–19 c (4) 5.0 × 10–19 c...