A book rests on a desk. Its cover measures an area of 15cm and 20cm. it exerts a pressure of 400pa. Determine the mass of the. (Use g=10n/kg)

What is the purpose of the three R's of resource management? A. to remove resources from homes B. to consume increasing amounts of natural resources C. to conserve resources D. to spread out landfill areas

How many protons are there in any te atom

If you travel for three hours at a speed of 30 km/h, how far will you go?

Physical science includes the study of

Defined as how much energy it takes to perform a specific amount of work. A.) Machine B.) Friction C.) Efficiency D.) Mechanical Advantage

How are primary and secondary succession similar and how are they different?

What relates the net force exerted on an object to its mass and acceleration?

I'm a wave, the medium moves parallel to the direction that the wave travels

What is the wavelength of a wave that has a velocity of 32 m/s and a frequency of 60.6 Hz?

Two objects repel each other with a force of 8N. if