In a bizarre but harmless accident, a watermelon fell from the top of the Eiffel Tower. How fast was the watermelon traveling when it hit the ground 7.80 seconds after falling?

The transmission coefficient of the hypothetical disease dumas fever is 0.2. if the combined death and recovery rate is 0.4, what is the threshold density for dumas fever?

An insulated piston-cylinder device contains 5 l of saturated liquid water at a constant pressure of 150 kpa. an electric resistance heater inside the cylinder is now turned on, and 2200 kj of energy is transferred to the steam.

What length nap has the same effect as drinking an energy drink? A. 90 minutes B. 10-20 minutes C. 60 minutes D. 30-40 minutes

and an ideal spring of unknown force constant. The oscillator is found to have a period of 0.157 s and a maximum speed of 2 m/s. You may want to review.

What causes seasons to occur in certain zones? a. tilt of Earth axis b. height of mountains c. longitude of the zone d. amount of rainfall

Which wavelength of light is capable of penetrating the dust of a nebula?

Explain what is required for destructive interference in an air wedge.

Alice added sodium chloride to water and stirred the water for several minutes. Alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.

An object has an acceleration of 0 m/s². Does this mean that the object must be stationary?

Moving from 0m/s to 25m/s in 8.0s equals an average acceleration of ...