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On a movie set, a stuntman will jump out of a 3rd story window and fall straight down to a stunt air bag designed to cushion his fall. The airbag will apply a constant force slowing the stuntman down. Your goal is to figure out whether the size of the airbag is sufficient.
This should be done using energy conservation and work
The stuntman (mass 60 kg) will jump from 20 m above the ground and the 2.0 m tall stunt airbag will exert a constant force of 2,500 N on him.
Is the size of the airbag sufficient?
A steel cable with total length 20m and mass 100kg is connected to two poles. The tension in the cable is 2,000N, and the wind makes the cable vibrate with a frequency of 2Hz. Calculate the wavelength of the resulting wave on the cable.
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When a single person shouts at a football game, the sound intensity level at the center of the field is 59.9dB. how many people are at the game
One ton of coal is burned by a power plant every minute. The energy produced when one kg of coal is burned is 3.2 x 10^7 joules. calculate the efficiency of the power plant
a 122-cm-long 5.00 g string oscillates in its n 3 mode with a frequency of 190 hz and a maximum amplitude of 5.50 mm.
A series ac circuit contains a 250-ohm resistor, a 15-mH inductor, a 3.5uF capacitor, and an ac power source of voltage amplitude 45 v operating at an angular frequency of 360 rad/s, (a) what is the power factor of this circuit? (b) Discover the aver..
Once inside the magnetic field, all the necessary forces on the ions are assumed balanced. Based on this information calculate the radius of the path of each of the isotope in the spectrometer.
Suppose you have a 8.2 cm diameter fire horse with 2.2 diameter nozzle hole. To what maximum height in meters above the nozzle can this water rise.
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