Afour-cylinder gasoline engine has an efficiency of 28 % and delivers 280 j of work per cycle per cylinder. a) if the engine runs at 25 cycles per second (1500 rpm), determine the work done per second. b)what is the total heat input per second from the gasoline. c) if the energy content of gasoline is 130 mj per gallon, how long does one gallon last?

Me to solve all the questions on the sheet attached

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.