On a test stand a bicycle wheel is being rotated about its axle so that a point on the edge moves through 0.210 m. The radius of the wheel is 0.350 m, as shown in Figure 23. Through what angle in radians) is the wheel rotated?

Trumpeter a holds a b-flat note on the trumpet for a long time. person c is running towards the trumpeter at a constant velocity. person b is running away from the trumpeter at the same rate. person d is standing still the whole time. which person hears a frequency that is lower than the b-flat?

Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?