In the 2008 Olympics, Jamaican sprinter usain's bolt average shocked the world as he ran the 100 - meter dash in 9.69 seconds. Determine usain's average speed for the race.

Which of the following represents a covalent compound? KF NaCl SBr3 Mg2O

Can anybody prove Newton's Second Law, F=ma? Brainliest will be given

Why does wifi bounce off walls instead of passing through

A proton is confined in a uranium nucleus of radius 7.2x10-15 m. Determine the proton's minimum kinetic energy according to the uncertainty principle if the proton is confined to a 1 dimensional box that has the length of the nuclear diameter.

If friction were to be eliminated from a slide what would propel an object down the slide

There is a current of 0.99 a through a light bulb when its connected to a 9.7 v battery what is the resistance of the light bulb

After school, several students skateboard at the nearby park. Your best friend, Erwin, is a good skateboarder and happens to fall when attempting a fancy trick. After falling, Erwin gets back up and starts repeating the trick over and over again.

A Hall probe serves to measure magnetic field strength. Such a probe consists of a poor conductor 0.103 mm thick, whose charge-carrier density is 1.11 * 1025 m-3. When a 2.89-A current flows through the probe, the Hall voltage is measured to be 3.

What is the mass of a basketball that is shot with 12N of force at an acceleration of 4m/s2?

What is transferred by electromagnetic waves?