Wire resistor a has twice the length and twice the cross sectional area of wire resistor b. which of the following accurately compares the resistances of wire resistors a and b? a) wire a has twice the resistance of wire b. b) wire a has half the resistance of wire b. c) wire a has the same resistance as wire b. d) none of the above
Answers: 3
Physics, 21.06.2019 23:30, southerntouch103
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
Physics, 22.06.2019 02:30, cooboy
Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.
Answers: 3
Physics, 22.06.2019 11:00, ronniethefun
If a simple machine reduces the strength of a force, what must be increased?
Answers: 3
Physics, 22.06.2019 13:30, Bra1nPowers
6β48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kgΒ·8c.
Answers: 3
Wire resistor a has twice the length and twice the cross sectional area of wire resistor b. which of...
Mathematics, 02.03.2021 18:40
Health, 02.03.2021 18:40
Mathematics, 02.03.2021 18:40
Mathematics, 02.03.2021 18:40
English, 02.03.2021 18:40
Engineering, 02.03.2021 18:40