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A person travels by car from one city to another. She drivesfor 21.1 minat 66.4km/h, 14.3min at 86.1km/h, 51.4at 46.8km/h, andspends 16 min along the way eathing lunch and buying gas.
Determine the distance between the cities along this route.
Determine the average speed for the trip.
Object O1 is 14.7 cm to the left of a converging lens with a 10.8-cm focal length. What is the overall magnification of this system
A 0.99-cm-diameter microscope objective has a focal length of 2.6 mm. It is used in visible light with a wavelength of 532 nm. What is the resolving power of the objective
A guitar string with a mass of 12 g is 80 cm long and attached to the guitar at two points separated by 65 cm. What is the frequency of its fundamental note when it is placed under a tension of 170 N? Answer A) 74 Hz B) 82 Hz C) 93 Hz D) 150 Hz E)..
A ball is thrown upward,. At 5.00 m above its launch point, the ball's speed is one-third its launch speed. What maximum height above the launch point does the ball attain
A skateboarder shoots off a ramp with a velocity of 6.1 m/s, directed at an angle of 58degrees; above the horizontal. The end of the ramp is 1.1 m above the ground. Let the x axis be parallel to the ground, the +y direction be vertically upward, and ..
The measurement of the energy of a photon requires a timeinterval of 3.6 x 10-8 sec. What is the smallest uncertainty in the photon's energy
Glavin and nicole are running in the bluenose marathon. Glavin stops for a rest when nicole passes him. How long does it take for glavin to catch nicole
Birds resting on high-voltage power lines are a common sight. The copper wire on which a bird stands is 2.5 cm in diameter, calculate the potential difference between its feet
Calculate the acceleration of an electron that moves through the same magnetic field as in the example, as the same velocity as the proton
On a level road, a truck collides head-on with a compact car. The fenders lock and the two cars travel as one unit after the collision. We know that during the collision:
A.) what is the average kinetic energy in joules of hydrogen atoms on the 5,500 degree celcius surface of the sun B.) What is the average KEof helium atomsin a region
A 260(omega) resistor is in series with a 9.50×10?2H inductor and a 0.56 (mu)F capacitor. Compute the impedance of the circuit at a frequency of f1 = 500 Hz
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