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Figure shows an electric circuit with a voltage and a current variable assigned to each of the six devices. The device voltages and currents are observed to be as follows:
v (V)
i (A)
Device 1
15
-1
Device 4
-10
Device 2
5
1
Device 5
20
-3
Device 3
10
2
Device 6
A steam catapult launches a jet aircraft (from rest) from the aircraft carrier John C. Stennis, giving it a speed of 175 mi/h in 2.30 s. Discover the average acceleration of the plane.
At the time the switch is closed completing a simple LC circuit, the capacitor has 3.4 J of stored energy and the inductor has no stored energy. What is the energy stored in the inductor at that time
What angle does Fr make with the positive x axis? Express your answer in degrees to two significant figures. What is the magnitude of the block's acceleration vector, a?
A lump of putty with a mass of 0.550 kg and a speed of 0.750c collides head-on and sticks to an identical lump of putty moving with the same speed
some types of glass have a range of indices of refraction of about 1.4 to 1.7. What is the range of the polarizing angle
a simple atwoods machine uses two masses m1 and m2. starting from rest the speed of the two masses is 5.0 ms at the end
A point charge of +300 nC is present at the center. What is the radial component of the electric field at a point that is 0.60 m from the center?
Only two forces act on a 3.0-kg mass. One of the forces is 9.0 N east, and the other is 8.0 N in the direction of 62° north of west. What is the magnitude of the acceleration of the mass
A ball of a mass of 0.2 kg is attached to a cord of length 1.5m.The cord will break if the tension exceeds 40N. The ball is spun in a horizontal circle 3m above the ground. What is the speed of the ball when the cord breaks?
A source has a half life of 30.2 years. It was created 19 years ago with an initial activity of 1 micro curie. Calculate the initial number of atoms in the sample
A block of rock has dimensions of 2m x 2m x 2m and a density of 3000kg/m^3. The weight of the rock produces a normal stress on its bottom side. Calculate the magnitude of the normal stress on this side.
Ultrasound with a frequency of 4.288 MHz can be used to produce images of the human body. what is the wavelength in the body
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