What causes a boat to float? My questions are super easy. So you can follow me if you like easy question.

An inclined plane is a simple machine that can be described as a ramp. Group of answer choices True False

A three-phase 12 HP motor is 90% efficient with a. 89 lagging power factor. What is the required rated input apparent power for this motor running under full load?

A signal whose timing is completely influenced by the traffic volumes, when detected, on all of the approaches operates in the following mode: a. Pretimed b. Semi-actuated c. Fully-actuated

Hydrogen enters the turbine of an Ericsson cycle at 1040 K, 5 bar with a mass flow rate of 1 kg/s. At the inlet to the compressor the condition is 300 K and 1.5 bar.

Can the United States defeat Iranian forces

Just getting to your class is enough for showing up. A) True B) False

A completely reversible heat pump produces heat at a rate of 100 kW to warm a house maintained at 25℃. The exterior air, which is at 0℃, serves as the source.

A closed system undergoes a process in which work is done on the system and the heat transfer Q occurs only at temperature Tb. For each case, determine whether the entropy change of the system is positive, negative, zero, or indeterminate.

A scientist who is evaluating an ancient human skeleton for signs of vitamin and nutrient deficiency is conducting:

Which of the following is required in order to make a protected left turn A. A left green arrow B. No oncoming traffic C. A left turn only lane D. A large enough gap