A pulley system is used to lift a 100kg box using a 100N force what is the mechanical advantage

When you hold a rectangular object how does the area of the side that is resting on your hand affects the pressure and the force that the object exerts

What are the two masses and one distance that determine your weight?

Which of the following statements about radioactive decay is true? a. radioactive decay is the rate at which new atoms form. b. During radioactive decay, atoms break down, releasing, particles or energy. c.

What kind of telescope uses only lenses?

A bus travel with an average velocity of 60km/h. How long does it take to cover a distance of 500km

Two lightweight metal spheres are suspended near each other from insulating threads. One sphere has a net charge; the other sphere has no net charge. The spheres will: A. Attract each other B. Exert no electrostatic force on each other C.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity

What are starburst galaxies and what do they have to do with galaxy evolution?

Six light bulbs are connected in series with a 9.0 volt battery. What is the voltage across each bulb?