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What will a spring scale read for the weight of a 54- woman in an elevator that moves upward with constant speed 5.0 ? What will a spring scale read for the weight of a 54- woman in an elevator that moves downward with constant speed 5.0 ? What will a spring scale read for the weight of a 54- woman in an elevator that moves upward with acceleration 0.20? What will a spring scale read for the weight of a 54- woman in an elevator that moves downward with acceleration 0.20 ? What will a spring scale read for the weight of a 54- woman in an elevator that moves in free fall?
The drawing shows a graph of two waves traveling to the right at the same speed. (a) Using the data in the drawing, determine the wavelength of each wave. (b) The speed of the waves is 12 m/s; calculate the frequency of each one. (c) What is the maxi..
The electrical field within a continuous distribution of charge is given by the equation E= cxi+cyj+czk, Write the equation for E in terms of the position vector r
A professor shipwrecked on Hooligan's Island decides to build a telescope from his eyeglasses and some coconut shells. Which lens should he use as the objective
If you put 1kg of glass in contact with an equal mass of water andits temperature drops 5 degrees, by how much will the temperatureof the water rise
An iron ball hangs from a 21.5-m steel cable and is used in the demolition of a building at a location where the acceleration due to gravity is 9.78 m/s2. find the maximum speed of the ball during its swing
Two lightbulbs operate on the same potential difference. What is the ratio of the current in bulb A to the current in bulb B
Given that Neptune is about 30 AU from the sun, how many years does it take to complete an orbit around the Sun? Using this information
two spheres with charges of 6x10-6 and -2x10-6 bagin at a distance of .02 m. they touch and then seperate. calculate
Calculate the acceleration of the system and the tension(s) in the rope. Given m2 = 5Kg, with the friction coefficient of uK =0.4 and uS = 0.5 with the table, wieght m1 = 10Kg and angle = 40 degrees. Draw free body diagram.
In an oscillating LC circuit, L = 3.20 mH and C = 2.20 µF. At t = 0 the charge on the capacitor is zero and the current is 2.40 A. (a) What is the maximum charge that will appear on the capacitor?
A converging lens has a focal length of f = 29 cm. If an object is placed 40 cm from the lens, where will the image be formed.
A uniform beam of length L = 8.00 m and weight 5.35x10^2 N is carried by two workers, Determine the force that each person exerts on the beam
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