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A student gets his car stuck in a snowdrift. Not at a loss, having studied physics, he attaches one end of a stout rope to the car and the other end to the trunk of a nearby tree, allowing for a small amount of slack. The student then exerts a force width=on the center of the rope in the directionperpendicular to the car-tree line as shown in Figure P8.25. If the rope is inextensible and the magnitude of the applied force is 475 N, what is the force on the car? (Assume equilibrium conditions
An automobile covers 80m in 15 seconds while it slows down to a final speed of 5 m/s. What was its original speed
Where Is The Net Force Zero? Three point charges lie along the x-axis. The positive charge q1 = 15.0 ?C is at the x = 2.00 m, What is the x coordinates of q3
a jellyfish is floating in a water filled aquarium 1.00 m behind a flat pane of glass 6.00 cm thick and having an
a sinusoidal voltage e200sin314t is applied to a resistor of 10 ohm resistance. calculatei r.m.s of the voltage.ii rms
A certain musical instrument is a tube with one end open and the other end closed. The second-lowest frequency that it can play is 1500 Hz. What is the fundamental frequency
Consider that a 0.105 mm diameter tungsten filament in a light bulb needs to have a resistance of 0.25 Ω at 20.0°C. How long should the filament be in m, assuming the resistivity of tungsten is 5.60 x 10-8 Ω·m?
Two equal length strips of aluminum and steel are heated. Which expands more? How much more - that is, by what factor is one expansion greater than the other?
A 0.9 µF capacitor is charged to a potential difference of 10.0 V. The wires connecting the capacitor to the battery are then disconnected from the battery and connected across a second, initially uncharged, capacitor
A monatomic ideal gas containing 7.95 moles at a temperature of 235 K are expanded isothermally from a volume of 1.23 L to a volume of 4.44 L. Calculate the heat flow into or out of the gas
A 1000 kg car is traveling at a constant speed of 30 m/s, what is the average force applied to the car
If the average rate of energy consumed by the house was instead diverted to lift a 2130 kg car 12.3 m into the air, how long would it take
consider a black body of surface area 20 cm2 and temperature 6000 k.a how much power does it radiate?b at what
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