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A 50.0g thermometer is utilized to gauge the temperature of 130mL of water. The specific heat of the thermometer, which is mostly glass, is 750J/(kgK), and it reads 18.0?C while lying on the table. After being completely immersed in the water, the thermometer's reading stabilizes at 73.8C. What was the actual water temperature before it was gauged?
Two resistors (connected in series with each other) and a 18 Vbattery are connected in a loop. The voltage drop across the firstresistor is 7 V. What is the voltage drop across the secondresistor?
A model of a helicopter rotor has four blades, each of length 3.90 m from the central shaft to the blade tip, What is the linear speed of the blade tip
Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully). How far apart are the half-kilogram marks on the scale
a 2021-kg car is moving down a road with a slope grade of 13 while slowing down at a rate of 3.4 ms2. what is the
Big yellow fish swimming at 2.0m/s swallows little green fish at rest. Big yellow fish is 3 times as massive as little green fish. What fraction of big yellow fish's initial kinetic energy was lost in this collision
a 30 ohm resistor has a voltage difference of 3 voltz across its leads. what is the power being dissipated in this resistor
A system performs 351 J of work on its surroundings while losing 133 J of internal energy. Decide the heat transferred to the system through this process.
A 5 kg block sits on top of a 10 kg block which rests on a horizontal frictionless surface. What is the minimum coefficient of static friction necessary to keep the top block from slipping on the bottom block
a car of 1200 kg travels east call it x at 24 ms while a truck of 2200 kg travels north call it y at 19 ms. they
Two objects are attached to ropes that are attached to wheels on a common axle as shown below. The two wheels are glued together so that they form a single object. The total moment of inertia of the two wheels is 36 kg · m2
A spherical balloon of volume 3.94 103 cm3 contains helium at a pressure of 1.15 105 Pa. How many moles of helium are in the balloon
a 1.48 cm diameter solenoid passes through the center of a 5.95 cm diameter loop. the magnetic field inside the
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