A foam material has a density of 175 g/l. what is its density in units of lb/ft3?

All waves transfer what? a. energy b. matter c. energy and matter

A bus travels a distance of 120 km with a speed of 40km per hour and returns with a speed of 30km per hour calculate the average speed for the entire journey

If white light illuminates a diffraction grating having 690 lines/mm, over what range of angles does the visible m = 1 spectrum extend?

What is the term for the positive response to stressors that some people thrive on and us to motivate them? distress acute stress eustress chronic stress

A 62kg box is lifted 12 meters off the ground. How much work is done?

How do you find the velocity when an object is at rest?

A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.069 T. The plane of the loop is perpendicular to the direction of the magnetic field. In a time interval of 0.

Explain or don't answer : 3 If the medium a wave is traveling through is constant, what about the wave can change? A: only its speed or frequency B: both its frequency and wavelength C: both its amplitude and speed D: both its speed and wavelength

The force of attraction between two oppositely charged pith balls is 5.3 * 10-6 newtons. If the charge on the two objects is 6.7 * 10-9 coulombs, what is the distance between the two charges? (k = 9.0 * 109 newton·meter2/coulombs2)

A Styrofoam slab has thickness h and density ρs. When a swimmer of mass m is resting on it, the slab floats in fresh water with its top at the same level as the water surface. Find the area of the slab.