When the amount of a radioactive substance is reduced by 50%, what has occurred? a half-life beta radiation alpha radiation gamma radiation?

Given three capacitors, C1C1C_1 = 2.0 μFμF, C2C2C_2 = 1.5 μFμF, and C3C3C_3 = 3.0 μFμF, what arrangement of parallel and series connections with a 12-VV battery will give the minimum voltage drop across the 2.0 - μFμF capacitor?

Which state or states of matter take (s) the shape of its container? A) gas B) solid C) liquid D) liquid and gas

Type the correct answer in the box. Round your answer to the nearest tenth. Dina has a mass of 50 kilograms and is waiting at the top of a ski slope that's 5.0 meters high.

Which of the following statements about dark matter and dark energy is/are true? Choose one or more: Both exceed the matter-energy equivalent of luminous matter. Dark matter has only an attractive gravitational effect, while dark energy is repulsive.

Simon's teacher gave him a pencil at the end of week because he did so well on the spelling test. As a result, his grades continue to get better each week.

Five-gram samples of copper and aluminum are at room temperature. Both receive equal amounts of energy due to heat flow. The specific heat capacity of copper is 0.09 cal/g°C, and the specific heat capacity of aluminum is 0.22 cal/g°C.

A bullet travels at 870 m/s. How long will it take a bullets to go 1 m?

A 2.50 * 105 W motor is used for 26.4 s to pull a boat straight toward shore. How far does the boat move toward shore if a force of 4.20 * 104 N is applied by the motor?

Which type of wave experiences a change in speed when entering a new medium? a) only sound waves b) both sound and light waves c) only light waves d) neither sound or light waves

Three basic classes of collisions include all but which of the following?