A bullet is fired at an angle of 30° above the horizontal with an initial speed of 100 m/s, on the flat ground. Calculate the range and maximum height of the projectile.

In a system, when potential energy decreases, then entropy also decreases. true false

What is the angular momentum of the bar about the axle?

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?