A60-kg (including the passenger) sled is subject to a net force of 20 n pushing in the direction of the sled’s motion as it is moving over a horizontal surface for a distance of 11 m after having started from rest. at this point the sled is released as it starts down a 10.0° incline. however, the snow is not very deep, and the sled stops after having moved an additional 35 m. what is the work done by friction while the sled is on the incline?

see earlier

a sonic boom is a loud boom that breaks the sound barrier

explanation:

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it