How much horsepower is needed to lift a box that is 10 pounds 3 feet in 10 seconds? 30 ft-lbs/sec
3 ft-lbs/sec
3000 ft-lbs/sec
300 ft-lbs/sec

3. solve by graphing: y = 2x + 6 x + y = -3

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

What is the range? can’t seem to find it out