Magnitude of the centripetal acceleration
The blade of a windshield wiper moves through an angle of 90.0 in 0.46 s. The tip of the blade moves on the arc of a circle that has a radius of 0.37 m. What is the magnitude of the centripetal acceleration of the tip of the blade?
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A river flows due east at 1.70 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 15.0 m/s due north relative to the water. a) What is the velocity of the boat relative to shore?
The second-order diffraction (n = 2) for a gold crystal is at an angle of 22.20° for X rays of 154 pm. What is the spacing between these crystal planes?
If the sample had not been filtered, how much of this chemical would have been measured? Express in terms of measured concentration C (mg/litre) of the filtered sample?
You are designing a drier that must evaporate 200 lb/h of H2O from sludge by using air. Air at 70°F and 50% relative humidity is drawn into the drier and it leaves at 140F and 70% relative humidity. How much volume of dry air needs to be used
The half life for the first order decomposition if this compound is 20500 s. how long will it take for a sample of N2O5 to decay to 60% of its initial value?
What is the density of silver if a solid ingot has a volume of 50 cm^3 and a mass of 525g
What is the acceleration of two falling sky divers (mass 106.0 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight?
If the river velocity is 40 cm/sec and the longitudinal dispersion coefficient is0.1 m2/ sec, what is the maximum concentration expected at the plant.
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