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Consider a liquid drop of mass 83 mg falling with a terminal velocity of 5.9 m/s. Assuming a linear drag force R = bv, where v is the speed of the drop, what is the value of the constant b (in mg/s)?
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You throw two balls of equal masses ( m =0.992 kg) vertically upward at an interval of Δ t = 1.41 seconds with the same initial speed of v i=35.3 m/s from the same height. At what height will they collide, measured rel ...
Question: Suppose you wanted to charge an initially uncharged 124 pF capacitor through a 65 Mohm resistor to 90% of its final voltage. How much time (in s) would be required to do this? The response must be typed, single ...
A car moves with a constant speed of 60 mph. What is the apparent weight of a 70 kg passenger when the car is at the bottom of a dip with a radius r = 100 m? m*g = N + (m*v*v/r) (70kg)(9.8) = N +(70kg)(26.82m/s)(26.82m/s ...
Near the Earth's surface, a compact car of total mass M is driven on a large, revolving, horizontal, disk-shaped platform which itself rotates about its center at a fixed angular frequency ω. At t = 0, the driver leaves ...
Question: A real image is four times as far from a lens as is theobject. What is the object distance, measured in focal lengths? ____from the lens The response must be typed, single spaced, must be in times new roman fon ...
Question: A plastic rod that has been charged to -15 nC touches a metalsphere. Afterward, the rod's charge is -10 nC. a. What kind of charged particle was transferred between the rodand the sphere, and in which direction ...
Question: Your roommate is working on his bicycle and has the bike upside down. He spins the 70.0cm -diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second. Part A) What is the p ...
Question: A plastic rod is charged to -20 by rubbing. a. Have electrons been added to the rod or protons removed? Explain. b. How many electrons have been added or protons removed? The response must be typed, single spac ...
Can you please explain how to get an answer for this question and what formula to use step by step and why. "In a race you first ride a bicycle at an anverage speed of 18.4 mi/h for 19.5 miles, then you must run for anot ...
Question: A particle moving along the y-axis has the potential energy U = 4y^3J, where y is in m. A) Graph the potential energy from y=0m to y=2m. B) What is the y-component of the force on the particle at y=0m? C) What ...
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