Mary walked north her home to sheila home is 4.0 away then turned right and walked another 3.0 kilometers to the supermarket which is 5.0 kilometers from her own home she walked the total distance in 15 hours what were her average speed and average velocity

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

pv=nrt

explanation: