10. The diagram shows a mercury manometer connected to a gas container. The density of mercury is 13 600 kg/m3 The gravitational field strength g is 10 N/kg. What is
the pressure difference between the gas in the container and the atmosphere?
A 27 200 Pa
B. 40 800 Pa
C 54 400 Pa
D. 81 600Pa

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)