Select the correct answer.

Which is a simple machine that converts rotational motion into motion in a line?

A. wedge

B. lever

C. screw

D. wheel and axle

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38. A victim of a motor vehicle accident involving hazardous materials is transported by ambulance to a hospital. This action will result in of ambulance personnel and the medical care facility.

What's a disadvantage of highest MERV-rated filters? 1) the pressure drop across high MERV filters is less. 2) high MERV filters require at least a 240 V power supply. 3) the pressure drop across high MERV filters is significant.

A capillary tube is immersed vertically in a water container. Knowing that water starts to evaporate when the pressure drops below 2 kPa, determine the maximum capillary rise and tube diameter for this maximum-rise case.

A gas is confined within a piston-cylinder device. The piston rests, stationary atop the gas and has a mass of 6.3 kg and a cross sectional area of 550 mm2.

A piece of corroded metal alloy plate was found in a submerged ocean vessel. It was estimated that the original area of the plate was 800 cm2 and that approximately 7.6 kg had corroded away during the submersion.

Between a hypothesis and a prediction

A local reaction is when a chemical enters the bloodstream?

The rules for ordinary arithmetic involving addition, subtraction, and multiplication carry over into modular arithmetic. Tru

An air-conditioning system is used to maintain a house at 70°F when the temperature outside is 100°F. The house is gaining heat through the walls and the windows at a rate of 800 Btu/min, and the heat generation rate within the house from people,

The electricity we use is static or current electricity?