A skier of weight 700 N is pointed down a ski hill that has a slope angle of 25° above horizontal. What is the component of his weight pulling him down the slope.
O 634N
O 326N
O 296N
O 700N

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

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.

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.