The amount of energy needed to change 25 g of −30°C ice into 0°C liquid water is _. A. 9,887.5 J

B. 1,537.5 J

C. 58,037.5 J

D. 8,350 J

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Difference between series and parallel circuits

As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "