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A person 1.8 m tall stands 0.74 m from a reflecting globe in a garden.
A). If the diameter of the globe is 18 cm, where is the image of the person, relative to the surface of the globe?
B). How large is the person's image?
Two long parallel wires carry currents of 3.85 A and 4.31 A. The magnitude of the force per unit lengh acting on each wire is 3.77 Ã- 10-5 N/m
A 16.0-m uniform ladder weighing 480 N rests against a frictionless wall. Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 820-N firefighter has climbed 3.90 m along the ladder from the bottom
Using Newton's Version of Kepler's Third Law II Calculate the orbital period of the Space Shuttle in an orbit 200 above Earth's surface. Express your answer using two significant figures. T= s
A circuit consists of an idealized 191 mH in- ductor and a 25.4 µF capacitor. calculate the maximum energy stored in the inductor
In the circuit shown in the figure, the 6.0 ohm resistor is consuming energy at a rate of 23.0 J/s, Find the current through the ammeter in amps
A boy tosses a football upward. If the football rises a vertical distance of 4.1 m and the boy catches it at the same point he released it
a charged plate holds 3nC of charge equally distributed on the plates surface area. find the constant electric field near the surface of this plate
Two electrodes are placed in a calcium chloride solution and a potential difference is maintained between them. what is the current in the solution
A 75.0 kg patient is running a fever of 105°F and is given an alcohol rub to lower the body temperature. determine the mass of alcohol necessary to lower the body temperature down to 102°F
A 300-g aluminum cup contains 1000 g of water in thermal equilibrium with the cup at 65°C. At what rate is energy being removed
Displacement vector A points due east and has a magnitude of 3.22 km. Displacement vector B points due north and has a magnitude of 7.44 km. Displacement vecto Cr points due west and has a magnitude of 7.88 km.
Two identical cars (m = 1350 kg) are traveling at the same speed of 18.9 m/s. What is the magnitude of the total momentum of the two cars
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