An automobile traveling on a straight, level road at 15 km/h speeds up to 90 km/h in 50 s. what was the magnitude of the auto's acceleration, in meters per second squared?

Which type of microscope would allow the viewer to see ribosomes inside a cell?

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s. t.p.?