Q: Three odd-shaped blocks of chocolate have the following masses and
Three odd-shaped blocks of chocolate have the following masses and center-of-mass coordinates: (1) 0.300 kg, (0.200 m, 0.300 m); (2) 0.400 kg, (0.100 m, -0.400 m); (3) 0.200 kg, (-0.300 m, 0.600 m)....
See AnswerQ: For its size, the common flea is one of the most
For its size, the common flea is one of the most accomplished jumpers in the animal world. A 2.0-mm-long, 0.50-mg flea can reach a height of 20 cm in a single leap. (a) Ignoring air drag, what is the...
See AnswerQ: Find the position of the center of mass of the system of
Find the position of the center of mass of the system of the sun and Jupiter. (Since Jupiter is more massive than the rest of the solar planets combined, this is essentially the position of the center...
See AnswerQ: Pluto’s diameter is approximately 2370 km, and the diameter of its
Pluto’s diameter is approximately 2370 km, and the diameter of its satellite Charon is 1250 km. Although the distance varies, they are often about 19,700 km apart, center to center. Assuming that both...
See AnswerQ: A 1200-kg SUV is moving along a straight highway at
A 1200-kg SUV is moving along a straight highway at 12.0 m>s. Another car, with mass 1800 kg and speed 20.0 m/s, has its center of mass 40.0 m ahead of the center of mass of the SUV (Fig. E8.54). F...
See AnswerQ: A machine part consists of a thin, uniform 4.00
A machine part consists of a thin, uniform 4.00-kg bar that is 1.50 m long, hinged perpendicular to a similar vertical bar of mass 3.00 kg and length 1.80 m. The longer bar has a small but dense 2.00-...
See AnswerQ: At one instant, the center of mass of a system of
At one instant, the center of mass of a system of two particles is located on the x-axis at x = 2.0 m and has a velocity of (5.0 m/s)
See AnswerQ: In Example 8.14 (Section 8.5), Ramon
In Example 8.14 (Section 8.5), Ramon pulls on the rope to give himself a speed of 1.10 m/s. What is James’s speed?
See AnswerQ: A system consists of two particles. At t = 0 one
A system consists of two particles. At t = 0 one particle is at the origin; the other, which has a mass of 0.50 kg, is on the y-axis at y = 6.0 m. At t = 0 the center of mass of the system is on the y...
See AnswerQ: To keep the calculations fairly simple but still reasonable, we model
To keep the calculations fairly simple but still reasonable, we model a human leg that is 92.0 cm long (measured from the hip joint) by assuming that the upper leg and the lower leg (which includes th...
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