Every object that has mass attracts every other object with a gravitational force. it has been proven that the size of the gravitational force increases as the objects’ masses increase but graviational force decreases rapidly as the distance between the objects increases. this statement about matter and its behavior is best classified as a

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

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.

Five renewable energy resources are wind, sunlight, moving water and geothermal energy. question 2 options: true false