Andy has a bath and uses 1500g of water heated from 10°c to 40°c and with a specific heat capacity of 4200j/kg°c how much energy does he use

Drag each tile to the correct box. tiles bra i sequence

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost