During a car ride sandra travel led directly east for 20 miles and then directly south for 15 miles what was her displacement. 25 miles at 59.0 degrees south of east, 25 miles at 25.9 degrees east of south, 25 miles at 36.9 degrees south of east, or 25 miles at 42.5 degrees east of south?

Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.