A 3 kg soccer ball is accelerating at a rate of 30 m/sec/sec. With how much force will it hit you?​

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Give an example in which the electrical energy changes to light energy

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward