When a toy car is moving down a ramp, what forces are acting on it (gravity, tension, spring, friction, air, normal, applied)?

State the right hand rule of the direction of magnetic field in a conductor carrying current

Aballet student who learns with the of his instructor is demonstrating learning.

Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j