Which of these waves cannot travel in a vacuum?

(1 - microwave

(2 - light wave

(3 - sound wave

(4 - electromagnetic wave

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In a chosen coordinate system, the position of an object in motion can have negative values?

If a reaction is exothermic and produces large quantities of heat reaching equilibrium, its equilibrium constant will be

Potential differences cause a protons to move from the positive terminal to the negative terminal. b electrons to move from the positive terminal to the negative terminal. c electrons to move from the negative terminal to the positive terminal.

A girl operates a radio-controlled model car in a vacant parking lot. the girl's position is at the origin of the xy coordinate axes, and the surface of the parking lot lies in the xy plane.

How much force is required to accelerate a 2kg mass at 3m/s

A hurricane in the Gulf of Mexico to 15 hours to travel 360 kilometers. What is the average speed of this hurricane in kilometers per hour?

Which organization functions to privide clinics and surgeries i developing nations

What role do convection currents play in oceans and the atmosphere?

What causes density currents to form in the mediterranean sea? a. condensation b. evaporation c. transpiration d. upwelling

How long does it take a car to travel 450 km at 75 km/hr