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1-D motion with uniform acceleration.
1. An airplane accelerates from rest down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground. Determine the distance traveled before takeoff. (1720 m)
2. A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car. (8.1 m/s2)
3. A race car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds. Determine the acceleration of the car and the distance traveled. (11.2 m/s2, 79.8 m)
4. A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m. Determine the acceleration of the bike. (0.712 m/s2)
5. An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s2. The takeoff speed for this plane will be 65 m/s. Assuming this minimum acceleration, and starting from rest, what is the minimum allowed length for the runway? (704 m)
Westerly winds coming off the Pacific Ocean rise over the Rocky Mountains, which rise to a height of approximately 15,000 ft (580 hPa). The air on the western side of the mountain range is at 800 hPa (T = 70F, r = 0.75), and will subside on the ea..
A certain protein molecule is hydrolyzed by an enzyme. How would you define this statement in your own words to someone who is not familiar with chemical terminology.
Dennis, driving his 600 kg car, makes a 90 degree turn. His speed before the turn is 15.0 m/s and after the turn are 20 m/s. What is the magnitude of the change in car's momentum.
What potential is generated on a plane's wings when it flies through the earth's magnetic field
The resulting sounds give rise to a beat frequency of 369 Hz. What is the wave propagation speed on the guitar strings?
In famous magician trick. The magician lies on bed of nails and a sledge hammer is used to pound on an anvil on her chest. The nails will not pierce her skin. Explain why?
a very thin sheet of brass contains two thin parallel slits. when a laser beam shines on these slits at normal
Two ships are moving along a line due east. The trailing vessel has a speed of 62.0 km/h relative to a land-based observation point, What frequency is monitored by the leading ship
Initially, an object is 12cm to the left of a convex lens of focal length 8.2cm, then a concave (diverging) lens of local length -9cm is placed 20cm to the right of the convex lens, find the Image distance from concave lens
Two boats are heading away from shore. Boat 1 moves due west at a speed of 4.00 m/s relative to the shore. Relative to boat 1, boat 2 moves due south at a speed
A plastic straw 20.0 cm long and 3.00 mm in diameter is filled with honey. Suppose that when you blow on one end of the straw, the pressure difference between the two ends of the straw is 0.05 atm. What mass of honey flows out of the straw
The length of an individual's forearm and hand is 30.0 cm and the mass of an individual's hand and forearm is 1.50 kg. Calculate the moment of inertia of the hand and forearm about a mediolateral axis through their combined COM
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