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An ice chest at a beach party contains 11cans of soda at 6°C. Each can of soda has a mass of 0.34 kg and a specific heat capacity of 3900 J/(kg·°C).Someone adds a 6.3 kg watermelon at25°C to the chest. The specific heat capacity of watermelon is nearly the similar as that of water. Ignore the specific heat capacity of the chest and decide the final temperature T of the watermelon and soda.
In a certain time, light travels 4.78 km in a vacuum. During the same time, light travels only 2.37 km in a liquid. What is the refractive index of the liquid
Light passes through a 200 line/mm diffraction grating and is observed on a 1.0 m-wide screen located 1.0 m behind the grating. What are the minimum and maximum possible values of wavelength
An electron remains in an excited state of an atom for typically 10-8 s. What is the minimum uncertainty in the energy of the state
A sailboat is travelling east at 4.0 m/s. A sudden gust of wind gives the boat an acceleration a = (1.35 m/s2 30° north of east). What is the boat's speed 6.0 seconds later while the gust subsides.
the cgs unit for measuring the viscosity of a liquid is the poise p 1 p 1 gsmiddotcm. the si unit for viscosity is the
At an instant in time, an electron has a velocity of 5i + 3j - 4k km/s in a region of space, Find the acceleration of the electron at this instant
question a spacecraft moving away from earth emits a 4346 hz signal. a scientist on earth measures the signal to be
A 63 kg astronaut floating at rest in space outside a space capsule throws his 0.50 kg hammer such that it moves with a speed of 13 m/s relative to the capsule
a long pipe of outer radius 3.40cm and inner radius 2.89cm carries a uniform charge density of 3.22mcm3. using gausss
A bag of blood with a density of 1050 kg/m^3 is raised about 1.00m higher than the level of a patient's arm. How much greater is blood pressure at the patient's arm than it would be if the bag were at the same height as the arm.
A series RLC circuit consists of a 107 ohm resistor, a 15.0 mH inductor, and a 0.500 nF capacitor. What is the power supplied to the circuit if w =1/2wo
A 14.1- resistor, a 11.8-?F capacitor, and a 18.8-mH inductor are connected in series with a 121-V generator. At what frequency is the current a maximum
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