Chapter 1: Q28P (page 1)
Chapter 1: Q28P (page 1)
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Get started for freeOn a spending spree in Malaysia, you buy an ox with a weight of 28.9 piculs in the local unit of weights: 1 picul 100 gins, 1 gin 16 tahils, 1 tahil 10 chees, and 1 chee 10 hoons. The weight of 1 hoon corresponds to a mass of 0.3779 g. When you arrange to ship the ox home to your astonished family, how much mass in kilograms must you declare on the shipping manifest? (Hint: Set up multiple chain-link conversions.)
Question: In Figure, a constant horizontal forceof magnitude is applied to a wheel of mass 10 kg and radius0.30 m. The wheel rolls smoothly on the horizontal surface, and the acceleration of its centre of mass has magnitude 0.60 m/s2(a) In unit-vector notation, what is the frictional force on the wheel? (b) What is the rotational inertia of the wheel about the rotation axis through its centre of mass?
Figure shows a flat construction of two circular rings that have a common center and are held together by three rods of negligible mass. The construction, which is initially at rest, can rotate around the common center (like a merry-go-round), where another rod of negligible mass lies. The mass, inner radius, and outer radius of the rings are given in the following table. A tangential force of magnitude is applied to the outer edge of the outer ring for .What is the change in the angular speed of the construction during the time interval?
Ring | Mass (kg) | Inner Radius (m) | Outer Radius (m ) |
1 | 0.120 | 0.0160 | 0.0450 |
2 | 0.24 | 0.0900 | 0.1400 |
Question: The head of a rattlesnake can accelerate at 50 m/s2in striking a victim. If a car could do as well, how long would it take to reach a speed of 100 km from rest?
Question: An archer’s bow is drawn at its midpoint until the tension in the string is equal to the force exerted by the archer. What is the angle between the two halves of the string?
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