During an occultation or "covering up" of neptune by the moon, an astronomer measures the angular 's speed as it that it takes the moon's edgc 4 seconds to cover neptune completely. etimat size of neptune as seen from earth. hint: you need to calculate the moon "moves" on the celestial sphere a. 1 are second b. 2 are seconds c. 5 arc seconds d. 10 arc seconds e. 45 arc seconds

Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning

To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat