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On a hiking trip, you are walking through a canyon with vertical walls and are closer to one wall than the other. Having taken Physics, you decide to determine the width of the canyon by using your knowledge of kinematics and the speed of sound. You shout "Hey" as loud as you can, and after a short time you hear three echoes. The second echo arrives 1.7 s after the first, and the third echo arrives 0.3 s after the second. Assuming that the speed of sound is 343 m/s and that there are no reflections of sound from the ground, find the width of the canyon.
Suppose a car is traveling at 13.0 m/s, and the driver sees a traffic light turn red. What is the stopping distance of the car
A 0.350-kilogram cup at 10 °C is filled with 0.100 kg of boiling coffee. what is the specific heat of the cup material
Suppose you are riding a stationary exercise bicycle, and the electronic meter indicates that the wheel is rotating at 9.1 rad/s, For how many minutes have you been riding your bike
why does d account for the reduction of the distance from 8.5 km to a 0 distance. Is this not a reflection of displacement rather than just distance
A ladder 8.00 m long leans against the side of a building, what is the horizontal distance from the bottom of the ladder to the building
In an open RC circut, the total resistance is 15Kohms and the battery emf is 24 and constant is measured to be 35 microsecond calculate (a) the total capacitance of the circuit
A block with a mass of 0.800 kg is connected to a spring, displaced in the positive direction a distance of 50.0 cm from the equilibrium, what is the block's period of oscillation
A physicist trying to demonstrate destructive interference stands 2.7m directly in front of a speaker. A second speaker produces identical (coherent) 600Hz tones.
A gas bubble with an initial volume of 7.00 milliliters rises from a depth of meters. If the temperature does not change, what is its volume, to nearest ml, when it reaches the surface (density of water=1000 kg/m^3)?
A diverging lens (f = â€"12.0 cm) is located 23.0 cm to the left of a converging lens (f = 35.0 cm). Determine the distance of the final image relative to the converging lens
What is the speed of the runner. What is the total translational kinetic energy of gas molecules.
some types of glass have a range of indices of refraction of about 1.4 to 1.7. What is the range of the polarizing angle
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