Two Identical insulated spheres have different charges...Sphere 1 has a charge of -9,6×10-¹⁸C...if spheres are allowed to touch and then separate, what charge will each sphere have?​

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

What are some important factors to consider when choosing a warm-up before your workout?

Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s. assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.