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A helicopter leaves its base and travels 19.0 km north. After a brief stop it flies 37.8 km south, pauses briefly and then flies 15.1 km north. Finally it flies 8.9 km south and lands. At the end of the trip, determine what is the displacement of the helicopter from its base?
A rod of length L and mass M is balanced in a vertical position at rest. The rod tips over and rotates to the ground with its bottom attachment to the ground never slipping. find the velocity of the tip just before it hits
Johanna sits down at the beach on a summer evening and sees a small piece of wood lie and float to the waterside/beach. Determine how long does it take for the piece of wood to move from its uppermost position to its lowest position
The m=1 bright fringe is located 2.0 cm from the centerline. The interference pattern is observed on a screen located 4.0 m from the slits. What is the separation between the slits
Red light of wavelength 671.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
The tub of a washer goes into its spin cycle, starting from rest and gaining an angular speed of 5.00 rev/s smoothly in 10.0 s. At this point the person doing the laundry opens the lid, and a safety switch turns off the washer. The tub slows smoothly..
you shoot a ball of mass 50g into a pendulum arm of mass 200g whose center of mass rises 15cm. calculate the initial
Compute the linear momentum and angular momentum of a Frisbee of mass 0.130 kg if it has a linear speed of 1.25 m/s and an angular velocity of 62.5 rad/s
An airplane is flying through a thundercloud at a height of 2400 m. (Flying at this height is very dangerous because of updrafts, turbulence, and the possibility of electric discharge.)
A 10-kg fish is being yanked upward out of the water and the fishing line breaks. If the line is rated to a maximum 200 N tension, then what was the minimum acceleration of the fish? DRAW THE FBD!
the space shuttle is in a 230 mile high orbit. what are the shuttles orbital period in minutes and its speed
Bohr Model An electron is in the n=5 state of hydrogen to what states can the electron make transitions, what are the energies of the emitted radiations
A spring with an unstrained length of 0.074 m and a spring constant of 2.4 N/m hangs vertically downward from the ceiling, What is the magnitude of the external electric field
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