As the temperature of a gas increases the pressure decreases true or false

A certain part of an aircraft engine has a volume of 1.4 ft^3. (a) Find the weight of the piece when it is made of lead.

An electrical short cuts off all power to a submersible diving vehicle when it is a distance of 28 m below the surface of the ocean. The crew must push out a hatch of area 0.70 m2 and weight 200 N on the bottom to escape. If the pressure inside is 1.

A 50kg hiker is standing on the edge of a cliff. Find the hiker's gravitational potential energy if the cliff is 30m high. (Show the equation, show your work and answer with units.)

Which has a lower frequency x rays or gamma rays

Fiona drives 18 meters east and 24 meters south. What is the magnitude of her displacement? 15 m 18 m 20.0 m 30.0 m 35 m

Which best blocks X-ray particles and can therefore be observed more closely through the use of this technology?

A light ray travels inside a horizontal plate of glass, striking its upper surface at an angle of incidence of 50°. This ray is totally internally reflected at the glass-air boundary. A liquid is then poured on top of the glass.

A stationary object has no forces acting on it. True False

April swims 50 m north and then turns and swims 20 m back to the south. What is her velocity if it takes her 60 seconds?

What happens to the mass of an object when it is cooled?