Answers: 2
Physics, 21.06.2019 20:30
Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)
Answers: 2
Physics, 22.06.2019 10:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 3
Physics, 22.06.2019 14:30
Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal
Answers: 1
Physics, 22.06.2019 16:00
Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.
Answers: 1
A student uses the right-hand rule as shown.
What is the direction of the magnetic field in front o...
Mathematics, 26.02.2021 20:30
Mathematics, 26.02.2021 20:30
Mathematics, 26.02.2021 20:30
Mathematics, 26.02.2021 20:30
Mathematics, 26.02.2021 20:30
Mathematics, 26.02.2021 20:30
Chemistry, 26.02.2021 20:30
Mathematics, 26.02.2021 20:30
Mathematics, 26.02.2021 20:30
Arts, 26.02.2021 20:30
Mathematics, 26.02.2021 20:30
History, 26.02.2021 20:30