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Consider a rectangular loop of length l (parallel to x) width w (parallel to y) total resistance R, is being pulled at constant force F=fx.
A system of four buckets forms a square as shown in the figure. Initially, the buckets have different masses (it is not known how these masses are related)
Three resistors with values of 2.0 Ohm, 3.0 Ohm, and 6.0 Ohm are connected in parallel. What is the equivalent resistance?
Find the xcm coordinate of the center of mass of the system of particles shown in the figure.
If the current drops to zero and rises in the opposite direction (counterclockwise) to 1.0 A in 500us, what average emf will appear across the coil?
Birds resting on high-voltage power lines are a common sight. The copper wire on which a bird stands is 2.2cm in diameter.
An electric eel can generate a 400-Volt, 0.5-A shock for stunning its prey. What is the eel's power output?
If the power line runs north-south, how does the magnitic field affect the direction in which the compass points?
The orbit of particle moving in a central field is a circle passing through the origin, namely r1=r cosT.Show that the force law is inverse fifth power.
She exerts a force of magnitude 22 N on the free end of the crank handle, and this end moves in a circular path of radius 0.28 m.
Suppose the target is 200 m away, but the sight line to the target is above the horizontal by 30.0 degrees. Should the marksman aim high, low, or right on?
A 60.0 ohm resistor is connected in parallel with a 115.0 ohm resistor. This parallel group is connected in series with a 15.0hm resistor.
A 1500kg automobile starts from rest on a horizontal road and gains speed of 72km/h in 30 s.
What is the rate at which energy is delivered to the resistor?What is the mechanical power delivered by the force F_app?
The resolving power of a microscope is proportional to the wavelength used. A resolution of approximately 1.0 x 10-11 m (0.01 nm).
Two equal, positive charges, q = 2.0 micro Coulomb ; are located on the x-axis- one at +0.3m and the other at -0.3m.
The speed of a 4.0kg object is given by (2t) m/s, where t is in seconds. At what rate is the resultant force on this object doing work at t = 1 second?
Scott, riding for the Mercury team, won the 2002 Mt. Rushmore Hill Climb bicycle race with a winning time of 1 hour 50 minutes 20 seconds.
An ac generator with a frequency of 1.00 kHz and an rms voltage of 24 V is connected in series with a 2000 ohm resistor and a 0.365 H inductor.
Path A is 9.0 km long heading 60.0° north of east. Path B is 6.0 km long in a direction due east. Path C is 3.0 km long heading 315° counterclockwise from east.
Find the magnitude of a fourth force Find the magnitude of a fourth force
What are the units of mass and the units of weight for the metric system?
A girl consumes 8.4 x 10 J (2000 food calories) of energy per day while maintaining a constant weight. What is the average power she produces in a day?
Vector A = 119 grams @ 164°. What is Ax ?
If you wanted to express your height with the largest number, you would use 1) meters, 2) feet, 3) inches, or 4) centimeters? Why?