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George and Martha are at a NASCAR race and as the race car made theturn to their right and rushed towards them the frequency theyheard was F0 = G5 or 821 Hz. However, after it passed the frequencydropped to F0/2. The direction the cars are traveling is the +xaxis, what is the velocity of the race car?
You fly your 15 m spaceship, parallel to the ship's length with a speed of c/3 to your friend. How long is your spaceship as observed by your friend
A man and a woman start at the same location. The man walks North for 30 minutes and travels a distance of 2.2 km, he then walks West for 20 minutes and travels a distance of 1.8 km. What is the woman's average velocity
the wings of tiger beetles the figure below are colored by interference due to thin cuticle-like layers. in addition
A copper wire is 10.00 m long and has a cross-sectional area of 1.00 x10-4 m2. This wire forms a one turn loop in the shape of a square and is then connected to the battery that applies a potential difference of 0.200 V.
A very light spring of equilibrium length 10.0 cm is hung from the ceiling with a 0.40 kg block at its end. When the block settles, the spring is 15.0 cm long. The same block-and-spring system is then set up horizontally on the floor, with the fr..
A proton enters the region between the two plates shown in the figure moving in the x-direction with a speed v = 1.61 106 m/s. The potential of the top plate is Vt = 245 V, and the potential of the bottom plate is Vb = 0 V.
A 23 kg box slides 4.0 m down the frictionless ramp shown that is raised 30 degress from the ground , What is the maximum compression of the spring
A charge of -2.82 μC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.118 m). The charges on the circle are -4.04 μC at the position due north and +5.11 μC at the position due east.
The intensity level produced by a jet airplane at a certain location is 163 dB. Calculate the intensity of the sound wave generated by the jet at the given location.
A 60-g ice cube at 0°C is placed in 727 g of water at 28°C. What is the final temperature of the mixture
What mass (in grams) of steam at 100°C must be mixed with 124 g of ice at its melting point, in a thermally insulated container, to generate liquid water at 37.0°C.
A loudspeaker of mass 22 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30 {rm m}.
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