At 7 o'clock Hoa rides a motorbike from A to B at a speed of 30 km/h and arrives at B at 11 o'clock. An took a car to depart from A but arrived 15 minutes after Hoa and arrived at B 10 minutes before Hoa. Calculate:a) The length of the distance ABb) Speed of Anc) To reach B at the same time as Hoa, with what speed must An go?

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

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

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)