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A 25 g glass tumbler contains 410 mL of water at 24 °C. If two 20 g ice cubes each at a temperature of -3 °C are dropped into the tumbler, what is the final temperature of the drink? Neglect thermal conduction between the tumbler and the room.
When a 0.20-kg block is suspended from a vertically hanging spring, it stretches the spring from its unstrained 0.005 m. find the total mechanical energy of the system at any instant
he box is taken up a mountain where the air pressure outside the box is 8.00 104 Pa. The inside of the box is completely evacuated. Illustrate what is the magnitude of the force required to pull the lid off the box?
In exercising, a weight lifter loses 0.123 kg of water through evaporation, find the change in the internal energy of the weight lifter
The ball loses contact with the spring and leaves the gun when the spring is still compressed by 12 cm. Elucidate what is the speed of the ball when it hits the ground, 1.4 m below the spring gun?
An AA battery is connected to a parallel-plate capacitor having 4 diameter plates spaced 3 apart. How much charge does the battery move from one plate to the other.
An aircraft weighing 971 N is accelerated at 9.1 m/s/s for 5 seconds, at which time the aircraft launches. What is the force required to launch the aircraft
Blue light (λ = 450 nm) shines on a diffraction grating that has 4000 lines/inch. Calculate the angle of the fourth-order image.
A rectangle has an area of 28.14 cm2. When both the length and width of the rectangle are increased by 1.80 cm, Calculate the length of the longer of the two sides of the initial rectangle
A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 29.5°, find the critical angle for the liquid when surrounded by air
A hydrogen atom is in its ground state when its electron absorbs a 48-keV photon. What's the energy of the resulting free electron
A 0.700kg block is attached to a spring with spring constant 14.5N/m . While the block is sitting at rest, find The amplitude of the subsequent oscillations
A nuclear power reactor generates 4.2 × 109 W of power. In one year (365.25 days), what is the change in the mass of the nuclear fuel
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