For the multiple choice questions below, please circle the best answer. (3 points each.) 1. What is the criterion for an elastic collision? A. Internal forces must sum to zero B. Internal forces must be conservative C. The colliding bodies must stick together 2. Which equations hold for a 1D elastic collision between object 1 and object 2, where 2 is initially at rest, p is momentum, K is kinetic energy, v is velocity, and i and f note initial and final values? A. pp1 = pp1 + pp2 B. KK1 = KK1 + KK2 C. 1 = โ(1 โ 2) D. โ 3. Kinetic energy is conserved in a(n) A. Completely inelastic collision B. Partially inelastic collision C. Elastic collision 4. Which statement of work is not true? A. Work can be positive, negative or zero B. Work done by gravity can be represented by a potential energy C. Work done by sliding friction is no
Answers: 2
Physics, 21.06.2019 23:30
Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0ยฐ with the direction of the field. when the magnetic field is increased uniformly from 200 ยตt to 600 ยตt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?
Answers: 3
Physics, 22.06.2019 07:00
Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points
Answers: 3
Physics, 22.06.2019 13:30
The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.
Answers: 2
Physics, 22.06.2019 16:10
Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)
Answers: 1
For the multiple choice questions below, please circle the best answer. (3 points each.) 1. What is...
Health, 18.10.2019 15:20
History, 18.10.2019 15:20
Spanish, 18.10.2019 15:20
Physics, 18.10.2019 15:20
History, 18.10.2019 15:20
Mathematics, 18.10.2019 15:20
History, 18.10.2019 15:20
Mathematics, 18.10.2019 15:20
English, 18.10.2019 15:20
Mathematics, 18.10.2019 15:20
Mathematics, 18.10.2019 15:20
Chemistry, 18.10.2019 15:20
Health, 18.10.2019 15:20