Which of the following elements is a metalloid?

a. copper

b. helium

C. phosphorus

d. germanium

A truck of massmT = 2000 kg is going northon Guadalupe with a speed of 4 m/s. Thetruck is struck by an eastbound car (mass of1000 kg) traveling on 24th street.

How does a material become a magnet?

What is the internal energy of 3.00 mol of N2 gas at 25 degrees C? To solve this problem, use the equation: U electronic gas = 5/2nRT. Remember that R = 8.31 J / (mol-K) and K = degrees + 273. A. 37, 100 J B. 18,600 J C. 1560 J D. 623 J

A person pulls a toboggan for a distance of 37.9 m along the snow with a rope directed 32.8 ° above the snow. the tension in the rope is 105 n.

Holding a book while walking means i am doing work on the book. true or false

Earth's tallest mountain ranges are found at plate boundaries

Is a lung a living organism, why or why not?

A wire carries a steady current of 2.20 A. A straight section of the wire is 0.750 m long and lies along the y axis within a uniform magnetic field, vector B = 1.70 k T.

A 5.00-kg howler monkey is swinging due east on a vine. It overtakes and grabs onto a 6.00-kg monkey also moving east on a second vine. The first monkey is moving at 10.0 m/s at the instant it grabs the second, which is moving at 7.00 m/s.

One of the heating systems we talked about in this course comprises of a system of ducts. What is the process by which heat is transferred in this system? a. Conduction b. Convection c. Radiation d. None of the above