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A 75 g bungee cord has an equilibrium length of 1.20 m. The cord is stretched to a length of 1.80 m, then vibrated at 20 Hz. This produces a standing wave with two antinodes. What is the spring constant (k) of the bungee cord?
The astronaut pushes on the satellite, giving it a speed of 0.25 directly away from the shuttle. Seven-and-a-half seconds later the astronaut comes into contact with shuttle.
Light waves with two dissimilar wavelengths, 632 nm and 474 nm, pass concurrently through a single slit whose width is 5.88 x10 -5 m and strike a screen 1.90 m from the slit.
a river has a steady speed of 0.500 ms. a student swims upstream a distance of 1.00 km and swims back to the starting
A concave mirror (R = 56.0 cm) is used to project atransparent slide onto a wall. The slide is located at a distanceof 40.0 cm from the mirror, and a smallflashlight shines light through the slide and onto the mirror. Thesetup is similar to that i..
A stamp collector is viewing a stamp with a magnifying glass held next to her eye. What is the refractive power of a magnifying glass that has an angular magnification of 7.9 when the image of the stamp is located at the near point
The 73 kg student balances an 1100 kg elephant on a hydraulic lift. Inside the lift is filled with oil and the diameter of the piston the elephant is standing on is 2.0 m, What is the second student's mass
How long after the car passes point A does the radio experience a minimum in the net signal? suppose that the wavelength has the value found in part.
A converging lens with a focal length of 17.9 cm and a diverging lens are placed 26.0 cm apart, with the converging lens on the left. What is the height of the final image
Two circular disks spaced 0.50 mm apart form a parallel-plate capacitor. What are the diameters of the disks
Usain Bolt is running a 100m dash. He accelerates to top speed over the first 45 m, then runs at a constant speed for the last 55 m, What is his top speed
A 4.35 kilogram ball is dropped from the roof of a building 170.2 m high. Determine its speed when it hits the ground
Jone pulls her brother on a sled over a horizontal surface with force of 80N. The force is at an angle of 25 degree, determine the acceleration of the sled
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