A astronaut exploring an asteroid jumps from a 10 meter tall cliff and lands on the surface 4.3 seconds later. What is the gravity on the asteroid?
O 9.8 m/s2
O 4.9 m/s2
O 1.1 m/s2
O O m/s2

The transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.