Acamcorder has a power rating of 19 watts. if the output voltage from its battery is 9 volts, what current does it use?

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.