A 7.50 kg stone is rubbed across the ceiling of a cave by a force F angled upward. If the coefficient of kinetic friction is .72 and the angle of the force with the horizontal ceiling is theta equals 65 degrees, what is the magnitude of the force F if the stone is pushed with constant velocity

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.

2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it

What is the measure of a change in an objects velocity?