a charge feels a 2.89 x 10^-7 N force when it moves 288 m/s perpendicular (90°) to a magnetic field of 2.77 x 10^-5 T. how big is the charge?

How many atoms of nitrogen are in the chemical formula ni(w on

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane