Lead-202 has a half-life of 53,000 years. How long will it take for 15/16 of a sample of lead-202 to decay?

A) 106,000 years

B) 159,000 years

C) 212,000 years

D) 265,000 years

What is the mass, in grams, of a pure iron cube that has a volume of 3.70cm cubed?

Magnetism, reactivity, and fluorescence are three special properties used to identify minerals.

is the light transmitted by a filter brighter than, less brighter than, or the same brightness as the light that hits it? explain your answer.

Sort the resources into the correct category: renewable or nonrenewable.

The starter motor of a car engine draws an electric current of 123 A from the battery. The copper wire to the motor is 6.00 mm in diameter and 1.45 m long. The starter motor runs for 0.75 s before the car engine starts up.

What is a string theory?

When a sound source is moving away from an observer, the observer will hear a lower pitch. This is due to

What is the difference between a meteorite and a asteroid?

Which of the following best explains why a magnet sticks to a refrigerator? the magnet is

If the truck has a mass of 4,000 kilograms, what is its momentum? Express your answer in kg x m/s