EBK MODERN PHYSICS
4th Edition
ISBN: 9781119495468
Author: Krane
Publisher: VST
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Question
Chapter 2, Problem 9P
To determine
The derivation for equation
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Students have asked these similar questions
I. Pushing on a File Cabinet
Bob has been asked to push a heavy file cabinet down the
hall to another office. It's not on rollers, so there is a lot
of friction. At time t = 0 seconds, he starts pushing it
from rest with increasing force until it starts to move at t
= 2 seconds. He pushes the file cabinet down the hall
with varying amounts of force. The velocity versus time
graph of the cabinet is shown below.
A. On the graphs provided below,
1. draw the net force vs. time that would produce this velocity graph;
2. draw the friction force vs. time for this motion;
3. draw the applied force (Fon Cabinet by Bob) VS. time for this motion (the first two seconds of this graph
have been drawn for you).
Velocity (m/s)
Applied Force (N)
Friction Force (N)
Net Force (N)
A
-m
B
-U
time
(s)
D
time
(s)
time
(s)
time
(s)
answer it
Please draw a sketch and a FBD
Chapter 2 Solutions
EBK MODERN PHYSICS
Ch. 2 - Prob. 1QCh. 2 - Prob. 2QCh. 2 - Describe the situation of Figure 2.4 as it would...Ch. 2 - Does the Michelson–Morley experiment show that the...Ch. 2 - Suppose we made a pair of shears in which the...Ch. 2 - Light travels through water at a speed of about...Ch. 2 - Is it possible to have particles that travel at...Ch. 2 - How does relativity combine space and time...Ch. 2 - Einstein developed the relativity theory after...Ch. 2 - Explain in your own words the terms time dilation...
Ch. 2 - Does the Moon’s disk appear to be a different size...Ch. 2 - According to the time dilation effect, would the...Ch. 2 - Criticize the following argument. “Here is a way...Ch. 2 - Is it possible to synchronize clocks that are in...Ch. 2 - Suppose event A causes event B. To one observer,...Ch. 2 - Is mass a conserved quantity in classical physics?...Ch. 2 - “In special relativity, mass and energy are...Ch. 2 - Which is more massive, an object at low...Ch. 2 - Prob. 19QCh. 2 - Prob. 20QCh. 2 - You are piloting a small airplane in which you...Ch. 2 - A moving sidewalk 95 m in length carries...Ch. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - An astronaut must journey to a distant planet,...Ch. 2 - The proper lifetime of a certain particle is 120.0...Ch. 2 - High-energy particles are observed in laboratories...Ch. 2 - Prob. 9PCh. 2 - Two spaceships approach the Earth from opposite...Ch. 2 - Rocket A leaves a space station with a speed of...Ch. 2 - One of the strongest emission lines observed from...Ch. 2 - Prob. 13PCh. 2 - Three rods are joined to form a 45–45–90 triangle,...Ch. 2 - In the Relativistic Heavy Ion Collider (an...Ch. 2 - Derive the Lorentz velocity transformations for ...Ch. 2 - Observer O fires a light beam in the y direction...Ch. 2 - A light bulb at point x in the frame of reference...Ch. 2 - A neutral K meson at rest decays into two π...Ch. 2 - A rod in the reference frame of observer O makes...Ch. 2 - Two events occur at locations separated by a...Ch. 2 - According to observer O, a blue flash occurs at xb...Ch. 2 - Suppose the speed of light were 1000 mi/h. You are...Ch. 2 - Suppose rocket traveler Amelia has a clock made on...Ch. 2 - Suppose Amelia traveled at a speed of 0.80c to a...Ch. 2 - Make a drawing similar to Figure 2.20 showing the...Ch. 2 - Two twins make a round-trip journey from Earth to...Ch. 2 - Agnes makes a round trip at a constant speed to a...Ch. 2 - (a) Using the relativistically correct final...Ch. 2 - Find the momentum, kinetic energy, and total...Ch. 2 - An electron is moving with a kinetic energy of...Ch. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34PCh. 2 - Use Equations 2.32 and 2.36 to derive Equation...Ch. 2 - By carrying the binomial expansion one term...Ch. 2 - (a) According to observer O, a certain particle...Ch. 2 - An electron is moving at a speed of 0.85c. By how...Ch. 2 - Prob. 39PCh. 2 - Find the kinetic energy of an electron moving at a...Ch. 2 - An electron and a proton are each accelerated...Ch. 2 - Prob. 42PCh. 2 - A π meson of rest energy 139.6 MeV moving at a...Ch. 2 - An electron and a positron (an antielectron) make...Ch. 2 - It is desired to create a particle of mass 9460...Ch. 2 - A particle of rest energy mc2 is moving with speed...Ch. 2 - Let’s consider a different approach to Example...Ch. 2 - In the muon decay experiment discussed in Section...Ch. 2 - Derive the relativistic expression p2/2K = m +...Ch. 2 - Suppose we want to send an astronaut on a round...Ch. 2 - Prob. 52PCh. 2 - Observer O sees a red flash of light at the origin...Ch. 2 - Several spacecraft leave a space station at the...Ch. 2 - Observer O sees a light turn on at x = 524 m when...Ch. 2 - Suppose an observer O measures a particle of mass...Ch. 2 - Prob. 59PCh. 2 - A beam of 2.14 × 1011 electrons/s moving at a...Ch. 2 - An electron moving at a speed of vi = 0.960c in...Ch. 2 - A pion has a rest energy of 135 MeV. It decays...Ch. 2 - Prob. 63P
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- Part A: kg (a) Water at 20 °C (p = 998.3 and v = 1 × 10-6 m²/s) flows through a galvanised m³ iron pipe (k = 0.15 mm) with a diameter of 25 mm, entering the room at point A and discharging at point C from the fully opened gate valve B at a volumetric flow rate of 0.003 m³/s. Determine the required pressure at A, considering all the losses that occur in the system described in Figure Q1. Loss coefficients for pipe fittings have been provided in Table 1. [25 marks] (b) Due to corrosion within the pipe, the average flow velocity at C is observed to be V2 m/s after 10 years of operation whilst the pressure at A remains the same as determined in (a). Determine the average annual rate of growth of k within the pipe. [15 marks] 4₁ Figure Q1. Pipe system Page 2 25 mmarrow_forwardFor an independent study project, you design an experiment to measure the speed of light. You propose to bounce laser light off a mirror that is 53.5 km due east and have it detected by a light sensor that is 119 m due south of the laser. The first problem is to orient the mirror so that the laser light reflects off the mirror and into the light sensor. (a) Determine the angle that the normal to the mirror should make with respect to due west.(b) Since you can read your protractor only so accurately, the mirror is slightly misaligned and the actual angle between the normal to the mirror and due west exceeds the desired amount by 0.003°. Determine how far south you need to move the light sensor in order to detect the reflected laser light.arrow_forwardA mirror hangs 1.67 m above the floor on a vertical wall. A ray of sunlight, reflected off the mirror, forms a spot on the floor 1.41 m from the wall. Later in the day, the spot has moved to a point 2.50 m from the wall. (a) What is the change in the angle of elevation of the Sun, between the two observations?arrow_forward
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