9. A sports car travels on a straight road at 22.0 km/h and increases its speed to 57.0 km/h in
5.0 s. Find the car's acceleration in m/s?.

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

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.?

Abody covers a semicircle of radius 7cm in 5s .find its linear speed