Aball has 116.62 j of gravitational potential energy at a height of 85 m. what is the mass of the ball? 0.14 kg 0.37 kg 11.9 kg 21.82 kg

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Debris produced by mining is called

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions