Aprojectile is shot from the edge of a cliff 140 m above ground with an initial speed of 120 m/s at an angle of 38 degrees above the horizontal. what is the time taken by the projectile to hit the ground 140 m below the cliff? (g = 9.8 m/s²)

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx hurrim timed