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1. A cable stretches by an amount d when it supports a crate of mass M. The cable is then cut into three equal pieces. If the same crate is supported by any one of these pieces, by how much will the cable stretch?
2. A cable stretches by an amount d when it supports a crate of mass M. The cable is replaced by another cable of the same material having the same length and twice the diameter. If the same crate is supported by the thicker cable, by how much will the cable stretch?
This figure (|| = 10.5 m/s2) represents the total acceleration of a particle moving clockwise in a circle of radius r = 2.40 m at a certain instant of time. (a) For that instant, find the radial acceleration of the particle. m/s2 (toward the center) ..
A compact disc (CD) stores music in a coded pattern of tiny pits 10-7 meter deep. The pits are arranged in a track that spirals outward toward the rim of the disc; Find the angular speed of the compact disc
Two pianos each sound the same note simultaneously, but they are both out of tune. On a day when the speed of sound is 347 m/s, How much time separates successive beats
Two trains on separate tracks move toward each other. Train 1 has a speed of 135 km/h; train 2 a speed of 81.0 km/h. What is the frequency heard by the engineer on train 1
Find the two locations where an object can be placed in front of a concave mirror with a radius of curvature of 37cm such that its twice its size
A closed gas system initially has volume and temperature of 4360mL and 646.0C with the pressure unknown. what was the initial pressure in torr
A child slides down a snow-covered slope on a sled. At the top of the hill, her mother gives her a push at a speed of 0.9 m/s to obtain her started. The frictional force acting on the sled is one-fifth of the combined weight of the child and the sled..
The concrete wall of a building is 0.08 m thick. The temperature inside the building is 17.5°C, while the temperature outside is 0.0°C. What is the emissivity of the wall
Figure (a) shows a sphere of radius r = 21 cm and density of ρ = 3.1 g/cm3 suspended in water. What is tension in the string
The head of a rattlesnake can accelerate at 50 m/s^2 in striking a victim. If a car can have the same acceleration, how long would it take for it to reach a speed of 100 km/h from rest.
An insect 1.4mm tall is placed 0.8mm beyond the focal point of the objective lens of a compound microscope. Where is the image formed by the objective lens
resistance R, capacitance C, and inductance L are connected in series, what is the formula for impedence for this circuit
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