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Questions (6)
ronaldinho kicks a soccer ball with an initial velocity of 22.0 m/s at an angle of 13.0°. How far away does the ball land?
1 answer
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adnan bought 96 eggs at the rate of rs.40 per dozen and sold at the rate of rs.4 per eggs find the percentage of profit if 3
1 answer
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An alien planet uses the narl as a unit of length. If a square has a side length of 3.4 narls, what is the perimeter of the
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why there is no proportionality constant in equation of centripetal acceleration after removing proportionality sign?
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what is alkaline solution?
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Suppose you have to establish a new company. Suggest in which item or items company should deal. How much sale of the item is
2 answers
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Answers (9)
Three cards are drawn with replacement from a standard deck. What is the probability that the first card will be a club, the second card will be a black card, and the third card will be an ace? Express your answer as a fraction or a decimal number rounded
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A small rock is thrown vertically upward with a speed of 12.0 m/s from the edge of the roof of a 23.0 m tall building. The rock doesn't hit the building on its way back down and lands in the street below. Air resistance can be neglected. Part A What is the
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(4) cannot be removed by filtration
Given m = 80.0 kg, vT = 50.0 m/s, we write mg = DρAvT 2 2 which gives DρA 2 = mg vT 2 = 0.314 kg m (a) At v = 30.0 m/s, a = g − DρAv2 2 m = 9.80 m/s2 − (0.314 kg/m)(30.0 m/s)2 80.0 kg = 6.27 m/s2 downward (b) At v = 50.0 m/s, terminal velocity has
The forces acting on the pendulum in the vertical direction must be in balance since the acceleration of the bob in this direction is zero. From Newton’s second law in the y direction, Fy Σ = T cosθ −mg = 0 Solving for the tension T gives T = mg
The forces acting on the pendulum in the vertical direction must be in balance since the acceleration of the bob in this direction is zero. From Newton’s second law in the y direction, Fy Σ = T cosθ −mg = 0
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