Physics, 17.09.2019 01:00, katietinary1657

Acopper bar of length h and electric resistance r slides with negligible friction on metal rails that have negligible electric resistance (see figure below. the rails are connected on the right with a wire of negligible electric resistance

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 07:00, Angelanova69134

Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j

Answers: 1

continue

Physics, 22.06.2019 15:20, tatipop49

Talia is manufacturing rolls of wire for hanging pictures. she needs a material that is so that it can easily be pulled into wire without breaking.

Answers: 2

continue

Physics, 22.06.2019 18:30, dbryrob2557

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km. h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.

Answers: 2

continue

Physics, 22.06.2019 19:30, isiahb123

A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.

Answers: 1

continue

Do you know the correct answer?

Acopper bar of length h and electric resistance r slides with negligible friction on metal rails tha...