Truck travels beneath an airplane
A truck travels beneath an airplane that i moving 170 km/h at an angle of 51? to th ground. How fast must the truck travel to stay beneath the airplane?
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How much heat is released by the water when it freezes?
For a damped oscillator with a mass of 240 g, a spring constant 59 N/m and a damping coefficient of 75 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 12 cycles?
Two horizontal forces, 215 N and 128 N, are exerted on a canoe. If the these forces are applied in the same directions, find the net horizontal force on the crate.
A 11.5 kg object oscillates at the end of a vertical spring that has a spring constant of 1.65 * 10^4 N/m. The effect of air resistance is represented by the damping coefficient b= 3.00 Ns/m. (a) Calculate the frequency of the damped oscillation.
A 120 ball moving to the right at 4.0 catches up and collides with a 430 ball that is moving to the right at 1.2 .If the collision is perfectly elastic, what is the speed of the 120 ball after the collision?
A parallel plate capacitor has plates of area 2.0x10^-3 m^2 and a plate seperation of 1.0x10^-4 m. Determine the capaitance of this system if air fills the volume between the plates.
A thermos contains 155 cm3 of coffee at 85° C. To cool the coffee, you drop two 15-g ice cubes into the thermos. The ice cubes are initially at 0° C and melt completely. What is the final temperature of the coffee? Treat the coffee as if i
An object weighing 300 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 265 N. Immersed in oil, the object appears to weigh 275 N. Find (a) the density of the object and (b) the density of the
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Question: Which statement best describes how geographic isolation can contribute to land animal speciation?
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Question: According to the article, what causes water to become harmful to bacteria?
Biological impacts of climate change on humans and other species. Paper should be 5-7 pages, double spaced, Time New Romans, 12 font
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An ecosystem has a warm temperature, a river runs through it and it has a wide variety of species that flourish in warm and humid areas