A ball is thrown with an initial speed of 10. meters

per second. At what angle above the horizontal

should the ball be thrown to reach the greatest

height?

(1) 0° (3) 45°

(2) 30.° (4) 90.°

How are temperature, pressure, and volume related dealing with the behavior of a gas

If you run with an average speed of 12.0 km/h, how far will you go in 3.2 min?

The main difference between turbojets and rocket engines is the fact that A. turbojets are not dependent on oxygen from the air. B. rocket engines need oxygen from the air. C. turbojets carry their own supply of oxygen as oxidizers. D.

An ion source is producing 6Li ions, which have charge + e and mass 9.99 * 10-27 kg. The ions are accelerated by a potential difference of 13 kV and pass horizontally into a region in which there is a uniform vertical magnetic field of magnitude B =

Select the correct answer. Which law represents a balanced chemical equation? a. Avogadro's hypothesis b. ideal gas law c. law of conservation of mass d. Newton's first law of motion e. Newton's second law of motion

Tarzan runs at 6 m/s and grabs a vertical vine (negligible mass) 4.1 m long which is tied to a tree at the top. Tarzan swings up. Determine the maximum height Tarzan will swing up and the angle the vine makes respect to vertical.

What is the safest place to be amid the coronavirus?

What is the change in internal energy if 60 J of heat are added to a system and the system does 40 J of work on its surroundings? Use AU = Q-W.

A 35-N bucket of water is lifted vertically 3.0 m and then returned to its original position. How much work did gravity do on the bucket during this process?

You then decide to throw another disc to your friend in the tree for fun. If you throw the disc at a speed of 10 m/s and your friend catches it 5.0 m above you, what was the speed of the disc just before your friend catches it