Question 4
1 pts
Vector has a magnitude of 12.6 m and a direction of -84.0°. Vector has a mag...
Question 4
1 pts
Vector has a magnitude of 12.6 m and a direction of -84.0°. Vector has a magnitude
of 34.0 m and a direction of -75.0°. What is the resultant magnitude and direction of a
vector that is equal to A+B
O magnitude: 46.4 m; direction: 102°
O magnitude: 20.6 m; direction: -71.1°
O magnitude: 46.4 m; direction: -770
O magnitude: 20.6 m; direction: -78.20
Answers: 2
Physics, 22.06.2019 10:30
You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?
Answers: 2
Physics, 22.06.2019 14:20
What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus
Answers: 2
Physics, 22.06.2019 23:50
An alpha particle with kinetic energy 12.5 mev makes a collision with lead nucleus, but it is not "aimed" at the center of the lead nucleus, and has an initial nonzero angular momentum (with respect to the stationary lead nucleus) of magnitude l = p0 b, where p0 is the magnitude of the initial momentum of the alpha particle and b=1.40×10−12 m. (assume that the lead nucleus remains stationary and that it may be treated as a point charge. the atomic number of lead is 82. the alpha particle is a helium nucleus, with atomic number 2.) what is the distance of closest approach?
Answers: 2
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