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A meteorite that has a mass equal to 30.8 tonne (1 tonne = 1000 kg) is exhibited in the American Museum of Natural History in New York City. Suppose that the kinetic energy of the meteorite as it hit the ground was 504 MJ.
(a) Find the magnitude of the impulse experienced by the meteorite up to the time its kinetic energy was halved (which took about t = 3.2 s).
A machine operator produces the tension T in the control rod by applying the force P to the foot pedal. Determine the largestPif the magnitude of the pin reaction atBis limi
A 35.5 kg girl and a 58.0 kg boy are on the surface of a frozen lake, 12.5 m apart. Using a rope, the girl exerts a horizontal 4.60 N force on the boy, pulling him toward her.
A 0.25 kg disk shaped machine part with a radius of8.0 cm rotates eccentrically (off center) about an axis thatis normal to its flat surface, How much greater is this torque
The rotor of an electric motor has rotational inertia Im = 5.12 x 10-3 kgÂ·m2 about its central axis.Calculate the number of revolutions of the rotor required to turn the prob
One cubic meter of water (see Table 4.4 for the mass density of water) flowing over the Osprey Falls in Yellowstone National Park drops 46 m. What is the temperature increase
An ant travels in a perfectly straight line in the –x direction some distance. It turns, and then travels several new displacements, 30.0O above the +x axis, again, in a strai
In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 33000V. The speeds of the electrons are quite l
A capacitor consisting of two concentric spheresof radius R1 and R2 =3.50·R1 has a capacitance of C = 5.00 pico Faradsand is charged to a potential difference of 86.0 Volts.
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