Un esquiador que pesa 70 kg se desliza hacia abajo por una pendiente de 36o . Si el coeficiente de fricción cinético es 0.140, determina la aceleración del esquiador.

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

What is the magnitude of the acceleration vector which causes a particle to move from velocity −5i−2j m/s to −6i+ 7j m/s in 8 seconds. answer in m/s.

What energy transformations occur each time the skateboarder rolls up the ramp?