Which class of elements is most effective at conducting electricity and heat

If you get married in 2019, and then in the future 28 years have past what would your age be. Also when you get married in 2019 the age is 18

A total of 54.0 calories of heat are absorbed as 58.3 g of lead is heated from 12.0° C to 42.0° C. What is the specific heat of lead? A) 0.029 cal gram °C B) 0.022 cal gram °C C) 0.017 cal gram °C D) 0.031 cal gram °C

What is a cool example of newtons 3rd law?

Three identical boxcars are coupled together and are moving at a constant speed of 28.0 on a level, frictionless track. They collide with another identical boxcar that is initially at rest and couple to it, so that the four cars roll on as a unit.

How does the media influence our view of beauty and gender roles?

The mass of the Sun is 1.99 * 1030 kg. Jupiter is 7.79 * 108 km away from the Sun and has a mass of 1.90 * 1027 kg. The gravitational force between the Sun and Jupiter to three significant figures is * 1023 N.

You measure the magnetic field of a long, current-carrying wire to be B is equal to start fraction 50 times mu naught over pi end fraction at a distance of r = 7.5 cm. How much current is running through the wire?

In any food chain or web, the original source of energy is

Which organisms develop gills from pharyngeal arches and later develop lungs to breathe on land

How much energy (in joules) is required to evaporate 0.0005 kg of liquid ammonia to vapor at the same temperature?