Physics, 27.09.2019 17:30 bunbun2913
How much would you have to raise the temperature of a copper wire (originally at 20 ? c) to increase its resistance by 18 % ? the temperature coefficient of resistivity of copper is 0.0068 (? c)? 1?
Answers: 1
Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 22.06.2019 16:30
Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?
Answers: 2
Physics, 22.06.2019 22:00
What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane
Answers: 3
Physics, 22.06.2019 23:30
Aball of mass 0.3kg is released from rest at a height of 8m.how fast is it going when it hits the ground? accleration due to gravity is g=9.8m/s
Answers: 2
How much would you have to raise the temperature of a copper wire (originally at 20 ? c) to increase...
Advanced Placement (AP), 22.07.2019 08:00
History, 22.07.2019 08:00
English, 22.07.2019 08:00
Chemistry, 22.07.2019 08:00
History, 22.07.2019 08:00
Chemistry, 22.07.2019 08:00