To give their 19 kg child a ride mom and dad pool on at 3.7 kg sled with a force of 55 Newton siege at an angle of 35° to the four direction if there’s a frictional force of 57 N acting on a sled what is the acceleration of a child and sled

Three point charges, two positive and one negative, each having a magnitude of 20 μc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge

Which feature indicates that mars resides in the inner region of the solar system

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f