Rank these stars in terms of temperature from coolest to hotteststar
a emits mostly ultraviolet light along with visible and infrared lightstar
b emits mostly visible light, along with some infrared light and a tiny bit of ultraviolet lightstar
c emits mostly infrared light with some red light

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

The electric field inside a cell membrane is 8.0mn/c. what's the force on a singly charged ion in this field?

Ahole in the ground in the shape of an inverted cone is 14 meters deep and has radius at the top of 11 meters. the cone is filled to the top with sawdust. the density of the sawdust depends upon the depth, x, following the formula ρ ( x ) = 2.5 + 1.2 e − 0.7 x kg/m3. find the total mass of sawdust in the conical hole.