The Space Shuttle travels at a speed of about 7.6x10 m/s. The blink of an astronaut's eye lasts about 110 ms. How many basketball courts (length = 28.65 m) does the Shuttle cover in the
blink of an eye?

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.

The density of a liquid could be found by using

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n