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Consider the process of accelerating a car from 0 to 60 miles per hour in 10 seconds versus 30 seconds.
Do both use the same amount of gasoline?
Do both take the same amount of work?
Do both produce the same amount of heat?
Is the change in energy the same in both processes?
Calculate the capacitance of an air filled parallel plate capacitor given a plate seperation of .001 meters and a plate area of .8 meter^2
A 473g wood block is given a quick push across a table. During the push it accelerates at a rate of 0.69m/s2, what was the strength of the force used to push the block to start with
a planet has a single moon that is solely influenced by the gravitational interaction between the two bodies. we will
A thin, uniform, metal bar, 3 m long and weighing 90 N, is hanging vertically from the ceiling by a frictionless pivot. Find the angular speed of the bar just after the collision
An Argon ion laser has a gain bandwidth of 2 GHz. Find the number of standing wave cavity modes within the gain bandwidth of the argon ion laser
A transverse sinusoidal wave on a string has a period T = 25.0 ms and travels in the negative x direction with a speed of 30.0 m/s. At t = 0, What is the initial phase angle
A magnetic field increases from 0 to 0.30T in 1.5 seconds. How many turns of wire are needed in a circular coil 15cm in diameter to produce an induced emf of 0.80 volt?
You want to produce a magnetic field of magnitude 5.50×10?4 T at a distance of 4.00×10?2 m from a long, straight wire. What current is required to produce this field
Light of wavelength 633 nm from a helium-neon laser is shone normally on a plane containing two slits. The first interference maximum is 79 cm from the central maximum on a screen 13 m away. (a) Find the separation of the slits. (b) How many interfer..
A carousel at the local carnival rotates once every 49.9 seconds. What is the linear speed of an outer horse on the carousel, What is the linear speed of an inner horse
A model rocket blasts off and moves upward with anacceleration of 12m/s^2 until it reaches a height of 27m, at whichpoint its engine shuts off and it continues it flight in freefall. what is the max height attained by the rocket?
Sometimes mirages are formed when light reflects from of a warm layer of air near a hot surface (like a road). what is the index of refraction of the hot air
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