Lucia raced her car on a raceway. She started the race at a standstill on the starting line, and when she finished the race, she was traveling 110 miles per hour. She wants to calculate her average acceleration What other information will Lucia need to do so ?

Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.

What is the relationship between the direction of motion of the balloon and the wind currents

Which of these metals are magnetic?