Fine grains of beach sand are assumed to be

spheres of radius 38.9 µm. These grains are

made of silicon dioxide which has a density of

2600 kg/m3

.

What is the mass of each grain of sand?

Answer in units of kg.

... ?

What additional information is needed for velocity that uis not needed for speed?

Un autobuz merge prin oras patru statii drumul total fiind de 4 km. Prima statie reprezinta doua zecimi (2/10) din drumul total, a doua statie mai mica cu 3 hm decat prima, a treia estr cu 2 dam mai mult de cat jum din restul drumului.

State any three applications of capillary action

A 1000-kg car is moving down the highway at 14m/s. What is the momentum?

Which of these traits enabled the birds on the Galapagos islands to eat large seeds A. Hollow bones. B. Large beaks. C. Wings. D. Flat beaks.

Whats an example of projectile motion

The fact that the sun rises and sets at different times during the day depending on the time of year is an example of a data trend. True or False

What sample of matter is a single substance

What is a hydraulic machine and what is its purpose? Explain how a simple hydraulic machine performs work.

Is the muzzle velocity a scalar or vector quantity?