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Question
1) A high speed train in Japan travels a distance of 300 kilometres in 3.60x10^3 seconds. What is an average speed of this train
2) How far will a ball starting from rest fall in 3 seconds?
3) What was the original drop height of an object that falls for 6 seconds on the moon if the moon's gravity is -1.624 m/s²?
4) A car moving with a velocity of 8 m/s enters and highway and accelerates for 3 m/s^2. How fast will the car be travelling after 5600 cm?
5) Put the following in order from largest to smallest:
km, nm, m, mm, pm, cm
6) if a ball is thrown straight up with an initial velocity of 5.6 m/s, what happens to its acceleration when it reaches max height?
7) A bowling ball is rolled horizontally at 21 m/s. If the bowling pins are 708 inches away, how much time does it take the ball to reach the pins?
8) An elephant walks 4 miles due north, then turns and walks 3 miles east. What is magnitude of the person's displacement?
A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = 38.8 cm. Precisely 35.7 cm behind this lens is a concave lens with the focal length f2 = -10.3 cm. The object to be photographed is 3.97 m in front o..
A thin, light wire is wrapped around the rim of a wheel. The wheel rotates without friction about a stationary horizontal axis that passes through the center of the wheel. The wheel is a uniform disk with radius 0.28. An object of mass 4.0 is suspend..
What's the moxt orbital angular momentum that could be added to an atomic electron initially in the 6d state, What would be the new state
Two 18 cm diameter charged disks face each other, 25 cm apart. Both disks are charged to - 30 nC. What is the electric field strength at the midpoint between two disks.
The contacts worn by a farsighted person allow her to see objects clearly that are as close as 25.0 cm, How far away is the poster actually located
A wave pulse travels down a slinky. The mass of the slinky is m = 0.93 kg and is initially stretched to a length L = 6.8 m. What is the wavelength of the wave pulse
If the same fish is attached to the end of the unstretched spring and then allowed to fall from rest, elucidate through what maximum distance does it stretch the spring?
Upon and following the introduction of Coulomb's law, my book keeps referencing to the electric force experienced between two point particles as just that--between two point particles. Does mass affect Coulombs law in any way?
A hydrogen atom is in its second excited state (n = 3). calculate angular momentum of the electron
Apollo 11 (total mass 43,100 kg) was in an orbit 11 km above the surface of the moon. What was the speed of Apollo 11 while it was orbiting the moon
A ladder of unknown length and mass of 29.00 kg rests on a rough floor, and leans against a rough wall. The coefficient of static friction between the ladder and both the floor and wall are 0.68.
A long straight wire carries a current of 6.2 A. The wire is horizontal in the plane of the page (screen), Calculate the force that acts on the electron
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