A baseball is thrown at an angle of 30 degrees relative to the ground at a speed of 27m/s. If the ball was caught 43.0 m from the thrower, how long was it in the air? How high above the thrower did the ball travel

The air that we breath is made mostly of which gaseous molecule

You add 800 ml of water at 20c to 800 ml of water at 80c what is the most likely final temperature of the mixture ? a. 100c b. 60c c. 25 c d.50c

)consider two positively charged particles, one of charge q0 (particle 0) fixed at the origin, and another of charge q1 (particle 1) fixed on the y-axis at (0,d1,0). what is the net force f⃗ on particle 0 due to particle 1?