Atomic # designates the number of in the nucleus

The index of refraction for Lucite is 1.5. What is the approximate speed of light in the Lucite?

A rotating object starts from rest at t = 0 s and has a constant angular acceleration. At a time of t = 7.0 s the object has an angular velocity of ω = 15 rad/s. What is its angular velocity at a time of t = 14 s?

What causes a compass to behave as it does? a. Earth's gravity b. Earth's shape c. Earth's geographic north pole d. Earth's magnetic field

An electromagnet is ___ a. a permanent magnet b. made with bar magnets c. attracts all metal substances d. only operating when the current is on

An ice skater spins with her arms outstretched at 1 revolution per second. She pulls her arms in toward her body. Does her angular momentum change? Ignore friction with the ice.

Кусок проволоки и лампочка имеют одинаковые сопротивления. Лампочку подключают к сети так, что она нагревается на 750 С. На сколько процентов нужно увеличить длину проволоки, чтобы их сопротивления вновь сравнялись?

Which of the following is the kinetic rate equation for the addition-elimination mechanism of nucleophilic aromatic substitution? rate = k[aryl halide] rate = k[nucleophile] rate = k[aryl halide][nucleophile] rate = k[aryl halide][nucleophile]2

Most people can hear sound of pitch raning from to hertz

An incandescent lamp is operated at 120 V, and the current is 0.5 A. So, the resistance of the lamp is:

The alternative to nuclear fission reactors in a nuclear fusion reactor. Explain why it is much more difficult to get a fusion reactor to work. So far there are2 types of confinement systems used.