A rope pulls a 72.5 kg skier up a 21.7° slope with Ik 0.120.
The rope is parallel to the slope,
and exerts a force of 383 N. What is
the acceleration of the skier?
(Unit = m/s2)
Enter

Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.

Properties seen when one one substance changes to another are known as properties