in a lever, an effort of 400N is applied to lift a load of 600N. if the load is at a distance of 20 cm from the fulcrum and effort ia at a distance of 40 cm. calculate the M. A.V. R. and effecting of the lever.​

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Diverging mirrors and lenses always produce images