How calculate the mass of an object given its acceleration and net force acting on it

hot water coil is used to heat air in a home heating unit. The air flow rate is 150 lbm/min and enters the coil at 70 F. Water enters the coil at 150 F and leaves at 100 F. If the air is heated to 120 F, what flow rate of water is required

What is the label for momentum

The equation for distance is d = st. if a car has a speed of 20 m/s how long will it take to go 155m

Your boss asks you compare two sound waves and determine which has the higher frequency. Wave A has a period of 4⁄100 second and Wave B has a period of 1⁄7 second. What would you tell your boss? A. Wave B has the higher frequency.

Suppose that you are on an unknown planet in a distant galaxy. Let the length of a physical pendulum be 1.02 m. In the physical pendulum experiment, the period is determined to be 0.25 s. What is the gravitational acceleration of this planet?

Which kind of intermolecular force attracts the stearate ion to the oil drop?

Tracking scores from past assignments

A person opens a door by applying a 10-N force perpendicular to it at a distance 0.90m from the hinges.

Which car company was the first to offer air conditioning in its cars?

A tennis ball whose initial speed is 2.0 m/s rolls along a floor for 5.0 m before coming to a stop. Find the coefficient of rolling friction.