Physics 101 Learning Guide
... Key 6
2. If the falls are 1 meter high, what is the speed of the fish with respect to the ground when it
begins to swim upward at the bottom of the falls?
3. If the falls are two meters high what is minimum height in the stream to which the fish must
jump in order to be able to swim up to the ...
final exam - PHYSICS57
... 1. At the instant when the traffic light turns green, an automobile starts with a constant acceleration of
1.8 m/s2. At the same instant a truck travelling with a constant speed of 8.5 m/s overtakes and passes
(a) How far beyond the starting point will the automobile overtake the tru ...
... Small-diameter structures would have to rotate at high speeds
to provide a simulated gravitational acceleration of 1 g.
Sensitive and delicate organs in our inner ears sense rotation.
Although there appears to be no difficulty at 1 RPM, many
people have difficulty adjusting to rotational rates great ...
Instruction Manual/Experiments Guide
... In this lab, a small mass m will be connected to the Dynamics Cart by a string as shown in
Figure 3.1. The string will pass over a pulley at the table’s edge so that as the mass falls the
cart will be accelerated over the table’s surface. As long as the string is not too elastic and
there is no slac ...
... (e) Evaluating the expression in part (d) at t = 4 s yields 4 = 18 rad/s2. We note that our
answer for avg does turn out to be the arithmetic average of 2 and 4 but point out that
this will not always be the case.
7. (a) To avoid touching the spokes, the arrow must go through the wheel in not mo ...
Solutionbank M1 - solution banks
... Two men, Eric and Fred, set out to carry a water container across a desert, using a long uniform pole. The length of the pole is 4 m and its
mass is 5 kg. The ends of the pole rest in equilibrium on the shoulders of the two men, with the pole horizontal. The water container has
mass 16 kg and is sus ...
Foundation - Physics Instructor Guide
... At the completion of this training session, the trainee will demonstrate
mastery of this topic by passing a written exam with a grade of ≥ 80
percent on the following Terminal Learning Objectives (TLOs):
1. Convert between units of measure associated with the English
and System Internationale (SI) m ...
MECN 4600 Inter
... It is defined by the work done in moving a
particle from one point to another that is
independent of the path followed by the
Two examples are weight of the particle and
elastic force of the spring.
It is the measure of the amount of work a
conservative force will ...
In physics, relativistic mechanics refers to mechanics compatible with special relativity (SR) and general relativity (GR). It provides a non-quantum mechanical description of a system of particles, or of a fluid, in cases where the velocities of moving objects are comparable to the speed of light c. As a result, classical mechanics is extended correctly to particles traveling at high velocities and energies, and provides a consistent inclusion of electromagnetism with the mechanics of particles. This was not possible in Galilean relativity, where it would be permitted for particles and light to travel at any speed, including faster than light. The foundations of relativistic mechanics are the postulates of special relativity and general relativity. The unification of SR with quantum mechanics is relativistic quantum mechanics, while attempts for that of GR is quantum gravity, an unsolved problem in physics.As with classical mechanics, the subject can be divided into ""kinematics""; the description of motion by specifying positions, velocities and accelerations, and ""dynamics""; a full description by considering energies, momenta, and angular momenta and their conservation laws, and forces acting on particles or exerted by particles. There is however a subtlety; what appears to be ""moving"" and what is ""at rest""—which is termed by ""statics"" in classical mechanics—depends on the relative motion of observers who measure in frames of reference.Although some definitions and concepts from classical mechanics do carry over to SR, such as force as the time derivative of momentum (Newton's second law), the work done by a particle as the line integral of force exerted on the particle along a path, and power as the time derivative of work done, there are a number of significant modifications to the remaining definitions and formulae. SR states that motion is relative and the laws of physics are the same for all experimenters irrespective of their inertial reference frames. In addition to modifying notions of space and time, SR forces one to reconsider the concepts of mass, momentum, and energy all of which are important constructs in Newtonian mechanics. SR shows that these concepts are all different aspects of the same physical quantity in much the same way that it shows space and time to be interrelated. Consequently, another modification is the concept of the center of mass of a system, which is straightforward to define in classical mechanics but much less obvious in relativity - see relativistic center of mass for details.The equations become more complicated in the more familiar three-dimensional vector calculus formalism, due to the nonlinearity in the Lorentz factor, which accurately accounts for relativistic velocity dependence and the speed limit of all particles and fields. However, they have a simpler and elegant form in four-dimensional spacetime, which includes flat Minkowski space (SR) and curved spacetime (GR), because three-dimensional vectors derived from space and scalars derived from time can be collected into four vectors, or four-dimensional tensors. However, the six component angular momentum tensor is sometimes called a bivector because in the 3D viewpoint it is two vectors (one of these, the conventional angular momentum, being an axial vector).