A box is dropped onto a conveyor belt moving at 2 m/s. If the coefficient of friction between the box and the belt is 0.3, how long before the box moves without slipping?
0.7 s
Physics & Space Science
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One hundred milliliters of water is poured into a U-tube that has a cross-sectional area of 1 cm2 . Then 100 milliliters of oil, with a density 80% that of water, is poured down one side of the U-tube so that the oil floats on the water. Find the difference in height of the liquid surfaces on the two sides of the U-tube
Physics & Space Science
Quasars are the brightest objects in the universe
Indicate whether the statement is true or false
Physics & Space Science
A 5.0-?F capacitor and a 7.0-?F capacitor are connected in series across an 8.0-V potential source. What is the potential difference across the 5.0-?F capacitor?
A) 0 V B) 8.0 V C) 2.7 V D) 3.6 V E) 4.7 V
Physics & Space Science
About what is the binding energy released in the fissioning of 236U?
A. 2.20 MeV B. 50.0 MeV C. 100 MeV D. 200 MeV E. 900 MeV
Physics & Space Science