Physical Science: Velocity and Speed Calculations - 4.) A car has an average speed of 80.0 km/h for one hour, then an average speed of 90.0 km/h for two hours during a three-hour trip What was the average speed for the three-hour trip?
5.) What is t ...
Finding density - I have a 40 lb container that measures 14x20x30 and need to find the density. I also have another 40 lb container that has a volume of 1.9 gal. How do you find the density for both to see which one ...
Balloon expansion - A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm.
Find final thickness, true stress in the plane of the balloon wall, Air pressure required. ...
Density: Mass and Volume - A sphere made of nickel (d=8.908g/cm^3) has a diameter of 8.20 cm. What mass of nickel was used in making the sphere? (V of sphere = 4/3 pi r^3).