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1. Are there any relative advantages associated with the Metric system compared to the English system? Describe any possible advantages that you believe the Metric system has.
2. Discuss the importance of using scientific or engineering notation. Give examples of situations in which their use is beneficial. Do you prefer to use engineering or scientific notation and why?
A student drops two metallic objects into a 120 g steel container holding 150 g of water at 25°C. One object is a 230 g cube of copper that is initially at 85°C, and the other is a chunk of aluminium that is initially at 5.0°C. To the surprise of the..
An Italian chef, who is very scientific in her approach to cooking, measures the specific heat of a porcini mushroom by placing it in a calorimeter filled with 0.678 kg of olive oil at 13.2°C. What is the specific heat of the mushroom
To strengthen his arm and chest muscles, an 75.0 kg athlete 2.00 m tall is doing a series of push-ups as shown in the figure below . His center of mass is 1.20 m from the bottom of his feet, and the centers of his palms are 30.0 cm from the top of..
The biceps brachii produces a force of 100 N while acting at a 115 degree angle to the right horizontally positioned forearm. What is the vertical force component that is acting at the forearm?
A pipe is open at both ends. The pipe has resonant frequencies of 528 Hz and 660Hz (among others). Find two possible values for the length of the pipe
A photon of initial energy 0.10 MeV undergoes Compton scattering. After scattering, the photon's energy is 0.09 MeV. Find the recoil energy of the electron
Why is the thermal energy not shared instantaneously with the rest of the block to warm it as a whole?
What is the speed of light in a material for which the critical angle at an interface with air is 62.0
An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire), how much power is dissipated in the cord
The far point of a nearsighted person is 5.1 m from her eyes, and she wears contacts that enable her to see distant objects clearly. How high is the image formed by the contacts
a ray of light traveling through one type of glass, In which type of glass does light travel at a higher speed
A boat in a storm is subject to a force of 1750 N at 0.00 degrees and 1640 N at 145 degrees. How much of a third force and in what direction must be exerted to make the net force zero
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