A projectile is to be launched at an angle of 30° so that it falls beyond the pond of length 20 meters as shown in the figure. A) What is the range of values of the initial velocity so that the projectile falls between points M and N?

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).

Ateacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and ph indicator strips, which measure acidity. the teacher asks the students to put the liquids in order from most acidic to most basic. what type of investigation could the students conduct to determine the correct order for the liquids?