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A flower pot falls from the ledge of a building. A person in an apartment below, coincidentally holding a stopwatch, notices it takes 0.7s for the pot to fall past his window, which is 18m high. g=9.81m/s2. How far above the top of the window is the ledge from which the flower pot fell? Answer in m.
A log is floating on swiftly moving water. A stone is dropped from rest from a 72.0-m-high bridge and lands on the log as it passes under the bridge. what is the horizontal distance between the log and the bridge
When a potential difference of 166 V is applied to the plates of an air-filled parallel-plate capacitor, What is the spacing between the plates
A quantity of a gas has an absolute pressure of 400 kPa and an absolute temperature of 110 degrees kelvin. When the temperature of the gas is raised to 235 degrees kelvin, illustrate what is the new pressure of the gas?
A beam of light traveling in air is incident on a transparent plastic material at an angle of incidence of 49°. What is the index of refraction of the plastic
Sally expends 10320 J of energy to drag a wooden crate 24.7 m across a floor with a constant speed. The rope makes an angle of 48.0° with the horizontal. How much force does the rope exert on the crate
A bird stands on an electric transmission line carrying 1200 A. of current. The line has 6.0E-05 ohm resistance per meter, What voltage does the bird feel
what horizontal force is required to move the crate. If the coefficient of kinetic friction between a 33 kg crate and the floor is 0.26, what horizontal force is required to move the crate at a steady speed across the floor? Which is 84 I just help..
A 1 kohm resistor is placed in series with the 0.5 mH inductor and the 0.01 ?F capacitor. What is the resonant frequency of the circuit
Skier loses a ski at the top of a 98 m hill. The ski proceeds to glide down the hill frictionless. Illustrate what speed is the ski traveling at the bottom of the hill?
One mole of an ideal gas at 25C and 1atm undergoes the following reversibly conducted cycle. They system then undergoes teh following reversible cycle process.
A missile is fired from a launcher with an initial velocity of 250 m/s at a target located 500 m above the launcher, determine The possible firing angles required to hit the target
A laser light has a wavelength of 670 nanometers and the separation between the two first order diffraction minima is 11 cm. Calculate the slit width and slit separation
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