80 km por hora em metros por segundo

A miler covers one mile in training at a 6 minute pace (4 laps on a 1/4 mile track). What is his speed in mph.

What are disadvantages of series circuits? Check all that apply. • They are easy to design and build •They are complicated to design and build A break in one wire causes all current to stop •Current can flow through other branches if there is a

The diameter of a 12-gauge copper wire is 0.081 in. The maximum safe current it can carry (in order to prevent fire danger in building construction) is 20 A.

A stone is dropped from top of a tower of 50m high, simltaneously another stone is thrown upward with a speed of 20m/s find the time when them cross each other

A 0.468 g sample of pentane, C5H12, was burned in a bomb calorimeter. The temperature of the calorimeter and 1.00 kg of water in it rose from 20.45 °C to 23.65 °C. The heat capacity of the calorimeter by itself is 2.

Name two practical applications of nanotechnology

if the distance of separation begin two objects is doubled, is the gravitational force between the objects increased or decreased? by what factor?

A researcher measures the thickness of a layer of benzene (n = 1.50) floating on water by shining monochromatic light onto the film and varying the wavelength of the light.

A rock has a height of 4 cm, a length of 5 cm, and a width of 2 cm. what is the volume of the rock?

The filament of a certain lamp has a resistance that increases linearly with temperature. When a constant voltage is switched on, the initial current decreases until the filament reaches its steady-state temperature.