What is the name of this hydrocarbon? A.
2-butane
B.
2-butene
OC. 2-butyne
OD
4-butyne
O E. 4-propyne

Which statement is best described as a atom

Ariver current has a velocity of 5km/h relative to the shore, and a boat moves in the same direction as the current at 5 km/h relative to the river. how can the velocity of the boat relative to the shore be calculated?

What is the magnitude of the force of gravity between to 1000 kg cars which are separated by distance of 25. 0 km on an interstate highway? the force between the two cars will be what