Determine decibel rating of sound to nearest integer
Sound A measures 20 decibels and sound B is six times as loud as sound A. Determine decibel rating of sound B to nearest integer?
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A Girl and her bicycle encompass a net mass of 40 kg. At the top of hill her speed is 5m/s and her speed doubles as she rides down the hill. The hill is 10m high and 100m long. Determine how much kinetic energy and potential energy is gone to fric
Determine the numbers of grams fo Ca3(PO4)2 are needed to prepare 480 ml solution, in which PO4-3 concentrations is 0.25 N. The molecular weight of Ca3(PO4)2is 310 g/ml?
An automobile delivers 30 hp to the wheels if moving at a constant speed of 22 m/s. Determine the resistance force on the automobile at this speed? (1hp =746 watts)
We will now predict the rovibrational spectra of 1H79Br. Using the rigid rotator and harmonic oscillator approximations, determine the rovibrational spectra formed during a v = 0 and v = 1 transition.
The following results were obtained: SST = 10,870; SSTR = 4,580. Using a=.05 to test for any significant difference in means for three assembly methods.
The dolomite is a mixed carbonate of magnesium and calcium. Magnesium and calcium carbonates both decompose on the heating to form the carbon dioxide and metaloxides (CaO and MgO).
Determine the direction of the impulse delivered to the ball by the bat. Suppose that the ball and bat are in contact for 1.5 ms.
A woman of 60 kg runs up a flight of stairs having an augment of 4 meters in a time of 4.2 seconds. Determine the average power did she supply?
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