3)

If the pressure of a sample of gas is doubled at constant temperature, what happens to the volume of the gas?

A) The volume doubles. B) The volume is halved. C) The volume quadruples. D) The volume remains the same.

A parent swings a 11.5 kg child in a circle of radius 0.711 m, making 12 revolutions in 27.4 s. How much force does the parent exert on the child? (Unit = N)

If R1 = 6 Ω, R2 = 8 Ω, R3 = 2 Ω, ε1 = 4 V, and ε2 = 14 V, what is the current in R

Four balls are taken to the top of a building. Ball 1 is dropped (zero initial velocity). Ball 2 is thrown straight up with a velocity of 3 m/s. Ball 3 is thrown straight out with a horizontal velocity of 3 m/s.

During which stage of prophase i does crossing over take place?

Heat is added to each block at the same constant rate until it reaches a temperature of 500 k. which of the following statements is true? the specific heat capacity of aluminum is about twice that of iron.

Bus A and Bus B leave school on a field trip when a stopwatch reads zero. Bus A travels at a constant 50 km/h, and Bus B travels at a constant 75 km/h. How far are the two buses from school when the stopwatch reads 1.5 h?. a ... Bus A is 76.

When observed from Earth, the wavelengths of light emitted by a star are shifted toward the red end of the electromagnetic spectrum. Why does this redshift occur?

Object A has a length of 3 cm, a width of 10 cm, and a height of 2 cm. Object B is dropped into a graduated cylinder. It displaces 60 mL of water. The volume of object A is:

Is the following sentence true or false? Some information about an object or process may be missing from a model.

If V is a velocity, l a length, and v a fluid property having dimensions of L2T-1, which of the following combinations are qualitatively dimensionless (show work for a through d) : (a) V l v (b) Vl/v (c) V2v (d) V / (l v)