A night watchman enters the local aquarium where the lights are out, and he uses his high-power flashlight to look for the fish inside. The parallel beam of light illuminates a fish when the angle of the beam with respect to the horizontal base of the aquarium is

Find the momentum for a 2.6-kg brick parachuting straight downward at a constant speed of 8.4 m/s .

Isla’s change in velocity is 30 m/s, and hazel has the same change in velocity. which best explains why they would have different accelerations? isla had negative acceleration, and hazel had positive. isla had a different time than hazel. isla had positive acceleration, and hazel had negative. isla went a farther distance than hazel.

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.