PLEASE HELP How much power is required for a pulley to accelerate a 2,000 kg rollercoaster 5 m/s² a distance of 150 meters up a hill in 30 seconds to a height of 100 meters? What is the rollercoaster's velocity as it races down the hill? Show your work

What is the oxidation state of each individual carbon atom in c2o42−?

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature

Due tomorrow which would have a lower ph, a 0.1 m solution of a strong base or a weak base? why? which would have a higher ph, a 0.1 m solution of a strong base or a weak base? why?