I been lookin' at the sun, I got stripes in these streets like Burberry
I remember I ain't make a three, now I'm Curry me pullin' up,

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

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?

Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?