How are joules measured?

A person sitting in a parked car hears an approaching ambulance siren at a frequency f1 and as it passes him and moves away he hears a frequency f2. The actual frequency f of the source is Group of answer choices

The pressure on a gas at - 62◦c is doubled, but its volume is held constant. what will the final temperature be in degrees celsius? answer in units of ◦c.

A boy on a bus traveling 120 km/h has a foot-long sandwich in his backpack. When the boy gets off at the bus stop, which describes the length of the uneaten sandwich? The length of the sandwich is 1 foot.

Two 4.2 kg masses are connected to each other by a spring with a force constant of 28 N/m and a rest length of 1.0 m. If the spring has been compressed to 0.80 m in length and the masses are traveling toward each other at 0.

Which identification number is the most important component of your personal identity

Is burning a nonrenewable natural gas a chemical change

The magnitudes of the vertical and horizontal components of a vector are 11 and 17 centimeters respectively. Find the magnitude of the vector and the angle from the horizontal axis.

A rectangular coil with sides 0.10 m by 0.25 m has 500 turns of wire. It is rotated about its long axis in a magnetic field of 0.58 T directed perpendicular to the rotation axis.

Stars set about how many minutes earlier each day? A. 8 B. 6 C. 4 D. 2

Whose atomic theory explains how atoms emit and absorb light