In order for a solution to form

a) one substance must dissolve in another.

b) a solid must dissolve in liquid.

c) the solvent must be water.

d) a gas must dissolve in a liquid.

How do we use velocity curves (obtained from spectroscopy to show that some extrasolar planets are close to their host stars?

A 2000 kg truck moving at 20 m/s runs into a concrete wall and stops. What is the magnitude the work done on the truck?

Which statement is true about the speed of light waves in a medium? Depends on the temperature of the light wave Decreases with a decrease in density of medium Decreases with an increase in density of medium Depends on the angle at which the wave

15. The frequency of a wave is measured in which of the following units?

An object in free fall travels a distance s that is directly proportional to the square of the time t. If an object falls 1088 feet in 8 seconds, how far will it fall in 10 seconds?

The mass of a lift is 600kg. the maximum tensile force that the cable supporting the lift can withstand is 7kN. Calculate:maximum upwards acceleration allowed?

In an experiment if doubling the manipulated variable results in doubling of the responding variable the relationship between the variable is a (n) ?

What color does Indigo turn things?

Why is temperature a good criterion for searching for earth like exoplanets

Supercells are updrafts that may cause which of the following? A hurricanes b blizzards c thunderstorms d tornadoes i think its Thunderstorms or tornadoes