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A highway patrolman sends a 28.250 GHz radar beam toward a speeding car. The reflected wave is lower in frequency by 2.97 kHz. What is the speed of the car? [Hint: For small values of x, the following approximation may be used: (1+x)2≈1+2x. ]
The only equation on my equation sheet for our exam is f=f^1(1+-U/C) .I am not sure how to apply this information. If you manipulate the equation can you explain how/why? Thanks! ( I tried 31.54 m/s but that was incorrect.)
You've taken your neighbor's young child to the carnival to ride the rides. She wants to ride The Rocket. Eight rocket-shaped cars hang by chains from the outside edge of a large steel disk. What is the car's speed
Name at least three ways to reduce the possibility of hydrogen embrittlement ? What are the essential conditions for stress corrosion cracking (SCC)?
A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of 1.5 m/s. What is the magnitude of the impulse exerted
Use Ampere's Law to find the magnetic field inside of a long straight cylinder of current with current density J. Remember that J = I/A
A skater of mass 81.5 kg initially moves in a straight line at a speed of 4.70 m/s. what is the skater's final velocity
A student throws a 0.140kg ball straight upwards to a height of 7.20 m. How much work did the student do? A 33.8 kg child starting from rest slides down a water slide with a vertical height of 20.2 m. What is the child's speed three-quarters of the w..
A capacitor has a peak current of 290 µA when the peak voltage at 320 kHz is 2.6 V Part A: What is the capacitance? Part B: If the peak voltage is held constant, what is the peak current at 640 kHz ?
A pitcher throws a curveball that reaches the catcher in 0.55 s. What is the angular displacement of the baseball as it travels from the pitcher to the catcher
Two identically charged particles separated by a distance of 5.7 m repel each other with a force of 8.9 N. What is the magnitude of the charges
an objects temperature increases and in so doing its radiation power increases by a factor of 2.00. what is the ratio
If the bar is rotated clockwise by 90.0? in the plane of the paper, but keeps the same velocity, what is the potential difference induced across its ends?
Three 3.0 mC charges are at the three concerns of a square 0.50m on a side. The Last concern is occupied by a -3.0mC charge
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