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(II) Determine the fraction of kinetic energy lost by a neutron $\left(m_{1}=1.01 \mathrm{u}\right)$ when it collides head-on and elastically with a target particle at rest which is $(a)$ i $\mathbf{H}(m=1.01 \mathrm{u}) ;$ (b) $^{2} \mathrm{H}$ (heavy hydrogen, $m=2.01 \mathrm{u} ) ;(c) \frac{12}{6} \mathrm{C}(m=12.00 \mathrm{u}) ;$ (d) $\frac{208 \mathrm{Pb}}{82 \mathrm{Pb}}($ lead $, m=208 \mathrm{u})$

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a) 1.00b) 0.890c) 0.286d) 0.0192

Physics 101 Mechanics

Chapter 9

Linear Momentum

Motion Along a Straight Line

Kinetic Energy

Potential Energy

Energy Conservation

Moment, Impulse, and Collisions

Lu C.

November 2, 2020

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University of Michigan - Ann Arbor

University of Washington

Simon Fraser University

University of Winnipeg

Lectures

04:05

In physics, a conservative force is a force that is path-independent, meaning that the total work done along any path in the field is the same. In other words, the work is independent of the path taken. The only force considered in classical physics to be conservative is gravitation.

03:47

In physics, the kinetic energy of an object is the energy which it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. The same amount of work is done by the body in decelerating from its current speed to a state of rest. The kinetic energy of a rotating object is the sum of the kinetic energies of the object's parts.

07:26

(II) Determine the fractio…

01:19

A neutron of mass $m$ and …

02:56

Determine the fraction of …

12:19

A neutron with mass $m$ ma…

03:26

A neutron travelling with …

11:54

(a) A neutron of mass $m_{…

04:16

08:50

A particle of mass $m_{1}$…

01:56

When a neutron collides he…

02:53

04:23

A neutron (mass 1.01 u) st…

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