Calculate the final temperature of a gold nugget
Determine the final temperature of a gold nugget (mass = 376g) that starts at 398 K and looses 4.85 kj of heat to a snowbankwhen it is lost. The specific heat capacity of gold is 0.128J/g.
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(a) at what horizontal distance from the beetle should the archerfish fire if it is to hit its target in the least time? (b) How much time will the beetle have to react?
The national Academy of science reported in a 1997 study that 40% of research in mathematics is published by U.S.authors. The mathematics chairperson of a prestigious university wishes to test the claim that this percentage is no longer 40%.
Determine the corresponding specific stagnation enthalpy, in kJ/kg, and stagnation temperature, in 8C, if the stagnation pressure is 7 bar.
A rocketship of proper length d travels at constant velocity v relative to a frame S. The nose of the ship (A') passes the point A in S at t = t' = 0, and at this instant a light signal is sent out from A' to B' (the end of the ship).
A particle beam is made up of many protons each with a kinetic energy of 3.25×10-15J. A proton has a mass of 1.673×10-27kg and a charge of +1.602×10-19C. What is the magnitude of a uniform electric field that will stop these protons
If the pressure of a gas sample is quadrupled and the absolute temperature is doubled, by what factor does the volume of the sample change?
The diameter of the rod is 25mm internal diameter and its thermal conductivity is W/moC. Calculate the heat transfer coefficient at the surface of the rod and also heat transfer rate.
A car travels up a hill at a constant speed of 55 km/h and returns down the hill at a constant speed of 22 km/h. Calculate the average speed for the round trip.
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Early food experiences can impact development over several learning domains, including Social and Emotional Development, Language
Question: Identify a true statement about validity as applied to a test. Multiple choice question
Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,
Working in the yard, you feel unpleasantly hot and sweaty when you come in the house, so you take a shower and begin to feel better.
Problem 1: Identify a specific theory of cognitive or moral development, and summarize the major assumptions.
Which of the following is a behavioral indicator related to Family? A) Developing school readiness and transition strategies B) Developing collaborative