If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same compound?

A soccer player is running up field at 10 meters per second and comes to a stop in 3 seconds facing the same direction what is his acceleration

What best illustrates that light behaves like particles

What will be the restoring force if a spring with a spring constant of 45 newtons per meter is pulled 0.03 meters in the downward direction?

How would you calculate the spring constant of an unknown spring?

Which of the following elements is a metalloid? a. copper b. helium C. phosphorus d. germanium

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth

A battery applies 45 volts to a circuit, while an ammeter reads 10 ma. later, the ammeter reading drops to 7 ma. assuming the resistance has not changed, the voltage must have

A 150-kg object takes 1.5 minutes to travel a 2,500 - meter straight path. It begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. What is the acceleration?