In a wheel and axle, the radius of the wheel is 20 cm and the radius of the axle is 4 cm. What is the mechanical advantage?

As in the video, we apply a charge + Q to the half-shell that carries the electroscope. This time, we also apply a charge - Q to the other half-shell.

A roundtrip to Mars is expected to take up to 2 years and this would be dangerous to human health. true or false

Weather differs from climate in that weather can change on a daily basis and is not considered a description of year-to-year conditions of temperature and precipitation.

How to remember electro magnetic spectrum?

Complete the paragraph to compare Uranus and Neptune. Uranus and Neptune are called "ice giants" because they experience very low temperatures.

Ethylene (C2H4) reacts with oxygen gas to produce carbon dioxide and water. 45.0 grams of ethylene reacts, how many grams of carbon dioxide gas will be produced?

What causes ice to melt and water to boil

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom

What is the wavelength of an earthquake wave if it has a speed of 5 km/s and a frequency of 10 Hz?

The gamma ray released by each decay carries 140kev of energy. find the total energy e released by decays in the 2 hours.