2 Points
Which of the following compounds is carbon tetrafluoride?
A. Carl
B. CaF4
O C. CF4
O D. CHF

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?

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