What is Ca3N2? I'm really confused

When placed in direct sunlight, which an object will absorb the most visible light energy

Which one property of a star will determine the rest of the characteristics of that star's life?

A 70 kg man is standing on the earth. a. what is his mass? b. what is his weight?

A magnetic field is created by a charged particle that is

What force does the water exert (in addition to that due to atmospheric pressure) on a submarine window of radius 44.0 cm at a depth of 9400 m in sea water? the density of sea water is 1025 kg/m3?

Is an engine-activated booster unit that reduces the effort required to apply the hydraulic brakes

A box is lowered using a rope. If the acceleration of the box, is 2.5 m/s2 (downward) and the tension in the rope is 31 N, what is the mass of the box (in kg) ?

On a very hot summer day, the rooms on the first floor of a house stay cooler than the rooms on the second. Which form of thermal energy flow causes this to occur? A) Conduction B) Convection C) Kinetic D) Radiation

What is a ion in science?

I'm a bit confused A basketball is thrown upwards. The height f (t), in feet, of the basketball at time t, in seconds, is given by the following function: f (t) =