Physics
A rocket moves upward starting from rest with an acceleration of 32.5 m/s^2 for 4.52s. It runs out of fuel at the end of the 4.52 s but does not stop. How high does it rise above the ground?
Physics
Two students are on a balcony 24.3m above the street. One student throws a ball, B1, vertically downward at 12.5 m/s. At the same instant, the other student throws a ball, B2, vertically upward at the same speed. The second ball just misses the balcony on the way down. A.) Wha...
Physics
Hail of a diameter of 1 cm fall at a constant speed of 25 m/s. There is estimated to be 120 hailstones per cubic meter of air. Mass of each hailstone is .482g. Assuming the hail does not bounce, find the average force on a flat roof measuring 10m by 20m, due to the impact of t...
physics
It takes a plane flying at 150 km/h, 3.0 minutes to fly around a cloud at an altitude of 3000m. What is the diameter of the cloud
Physics
A cue ball travelling at 7.6 m/s strikes the eight ball. The eight ball moves away from the collision at an angle of 22 deg. on one side of the initial line of travel. The cue ball moves away at 33 deg on the other side of the initial line of travel. What are their final speed...
Chemistry
Are the molecular and imperical formula of lauryl alcohol the same? C12 H26 O?
Chemistry
Thanks so much for the help.
Chemistry
what happens at the molecular level if the temperature of a CO2/H2O solution increases? I know that has the temp. goes up the solubility decreases, but i don't really know what that means.
Chemistry
What types of intermolecular forces allow CO2 to dissolve in water? Do CO2 and H20 have a relatively strong or weak attraction?
Chemistry
when the element have different states, ie. (aq) (s) (g) etc. doesn't that change the way you write the constant expressions?
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