Which of the following correctly matches the subatomic particle with its charge?
a.) electron, negative
b.) proton, neutral
c.) neutron, negative
d.) electron, positive

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

In which of these cases are the two wave points considered to be in phase with each other?