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A helicopter rises vertically, carrying a load of concrete to make the foundation for a ski lift. A 35 kilogram bag of concrete is resting on a scale in the helicopter. A construction worker in the helicopter notes that the scale reads 280 Newton. Evaluate what is the helicopter acceleration?
A frictionless pulley (I=1/2MR^2) has a mass of 2.50kg and a radius of 20.0cm. how much kinetic energy does the stone have
A bat at rest sends out ultrasonic sound waves at 46.9kHz, What is the received sound frequency
A 2.00 kg block is pushed against a spring with negligible mass and force constant k=400 N/m, compressing it 0.220m. When the block is released, it moves along a frictionless,
A circuit board inside of a GPS receiver is being designed to operate at 1.6 GHz. The circuit layout calls for a 8 pF capacitor as part of a low-pass filter, however a lumped element capacitor is not available at this frequency.
A 65.1-kg circus performer is fired from a cannon that is elevated at an angle of 42.4° above the horizontal. find the effective spring constant of the firing mechanism
A 1.562 kg object oscillates with simple harmonic motion on a string with a force constant of k=1500.0 n/m. If the maximum speed is 7.498 cm/s, what is the total mechanical energy and what is the amplitude of the oscillation?
In exercise physiology studies, it is sometimes important to determine the location of a person's center of mass. This determination can be done with the arrangement shown in the figure below. A light plank rests on two scales, which read Fg1 = 365 N..
A neutron having mass of 1.67 X 10^-27 kg and moving at 10^8 m/s collides with a deutron at rest and sticks to it. Given that the mass of neutron is 3.34 X 10^-27 kg.
Click on the Energy vs. Position button to see a plot of the kinetic, potential, thermal, and total energies as a function of the skater's position. Try Bar Graph to see the same information as a bar graph. For this tutorial, you should have the C..
Calculate the acceleration of a skier heading down a 10.0 deg, slope, assuming the coefficient of friction for waxed wood on wet snow
Assume that a light bulb is a 60.0 W bulb with a resistance of240 Ω. The magnetic field has a magnitude of 0.40 T, and the length of the rod is 0.60 m. The only resistance in the circuit is that due to the bulb.
You throw a glob of putty straight up toward the ceiling, which is 3.00m above the point where the putty leaves your hand. What is the speed of the putty just before it strikes the ceiling
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