As it passes over grand bahama island, the eye of a hurricane is moving in a direction 30◦ north of west with a speed of 51 km/h. three hours later, it shifts due north, and its speed slows to 34 km/h. how far from grand bahama is the eye 4.50 h after it passes over the island? answer in units of km.

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.

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?