The pioneer 10 spacecraft has which of the following on board?
a plaque that explains where humans are located in space
humans that are taking detailed measurements of the solar system.
the hubble telescope, which is taking detailed pictures of the universe.

Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. the average power expended by the student to overcome gravity is most nearly

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?

Aplayground slide is 8.80 ft long and makes an angle of 25.0° with the horizontal. a 63.0-kg child, initially at the top, slides all the way down to the bottom of the slide. (a) choosing the bottom of the slide as the reference configuration, what is the system's potential energy when the child is at the top and at the bottom of the slide? what is the change in potential energy as the child slides from the top to the bottom of the slide? (include the sign of the value in your answer.)