College Physics
1st Edition
ISBN: 9781938168048
Author: Paul Peter Urone, OpenStax, Roger Hinrichs
Publisher: OpenStax
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Chapter 32, Problem 2CQ
One of the methods used to limit
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4.4 A man is dragging a trunk up the
loading ramp of a mover's truck. The
ramp has a slope angle of 20.0°, and
the man pulls upward with a force F
whose direction makes an angle of 30.0°
75.0°
with the ramp (Fig. E4.4). (a) How large a force F is necessary for the
component Fx parallel to the ramp to be 90.0 N? (b) How large will the
component Fy perpendicular to the ramp be then?
Figure E4.4
30.0
20.0°
1.
*
A projectile is shot from a launcher at an angle e, with an initial velocity
magnitude v., from a point even with a tabletop. The projectile lands on the tabletop
a horizontal distance R (the "range") away from where it left the launcher. Set this
up as a formal problem, and solve for vo (i.e., determine an expression for Vo in
terms of only R, 0., and g). Your final equation will be called Equation 1.
Chapter 32 Solutions
College Physics
Ch. 32 - In terms of radiation dose, what is the major...Ch. 32 - One of the methods used to limit radiation dose to...Ch. 32 - Isotopes that emit (radiation are relatively safe...Ch. 32 - Why is radon more closely associated with inducing...Ch. 32 - The RBE for lowenergy s is 1.7, whereas that for...Ch. 32 - Which methods of radiation protection were used in...Ch. 32 - What radioisotope could be a problem in homes...Ch. 32 - Are some types of cancer more sensitive to...Ch. 32 - Suppose a person swallows some radioactive...Ch. 32 - Radiotherapy is more likely to be used to treat...
Ch. 32 - Does loud irradiation leave the food radioactive?...Ch. 32 - Compare a low dose of radiation to a human with a...Ch. 32 - Suppose one load irradiation plant uses a 137Cs...Ch. 32 - Why does the fusion of light nuclei into heavier...Ch. 32 - Energy input is required to fuse medium-mass...Ch. 32 - In considering potential fusion reactions, what is...Ch. 32 - Give reasons justifying the contention made in the...Ch. 32 - Explain why the fission of heavy nuclei releases...Ch. 32 - Explain, in terms of conservation of momentum and...Ch. 32 - The ruins of the Chernobyl reactor are enclosed in...Ch. 32 - Since the uranium or plutonium nucleus fissions...Ch. 32 - The cure of a nuclear reactor generates a large...Ch. 32 - How can a nuclear reactor contain many critical...Ch. 32 - Why can heavy nuclei with odd numbers of neutrons...Ch. 32 - Why is a conventional fission nuclear reactor not...Ch. 32 - What are some of the reasons that plutonium rather...Ch. 32 - Use the laws of conservation of momentum and...Ch. 32 - How does the lithium deuteride in the...Ch. 32 - Fallout from nuclear weapons tests in the...Ch. 32 - A neutron generator uses an (source, such as...Ch. 32 - Neutrons from a source (perhaps the one discussed...Ch. 32 - The purpose of producing 99Mo (usually by neutron...Ch. 32 - (a) Two annihilation rays in a PET scan originate...Ch. 32 - Table 32.1 indicates that 7.50 mCi of 99mTc is...Ch. 32 - The activities of 131I and 123I used in thyroid...Ch. 32 - (a) Neutron activation of sodium, which is 100%...Ch. 32 - What is the dose in mSv for: (a) a 0.1 Gy xray?...Ch. 32 - Find the radiation dose in Gy for: (a) A 10mSv...Ch. 32 - How many Gy of exposure is needed to give a...Ch. 32 - What is the dose in Sv in a cancer treatment that...Ch. 32 - One half the rays from 99mTc are absorbed by a...Ch. 32 - A plumber at a nuclear power plant receives a...Ch. 32 - In the 1980s, the term picowave was used to...Ch. 32 - Find the mass of 239Pu mat has an activity of 1.00...Ch. 32 - A beam of 168MeV nitrogen nuclei is used for...Ch. 32 - (a) If the average molecular mass of compounds in...Ch. 32 - Calculate the dose in Sv to the chest at a patient...Ch. 32 - (a) A cancer patient is exposed to rays from a...Ch. 32 - What is the mass of 60Co in a cancer therapy...Ch. 32 - Large amounts of 65Zn are produced in copper...Ch. 32 - Naturally occurring 40K is listed as responsible...Ch. 32 - (a) Background radiation due to 226Ra averages...Ch. 32 - The annual radiation dose from 14C in our bodies...Ch. 32 - If everyone in Australia received an extra 0.05...Ch. 32 - Verify that the total number at nucleons, total...Ch. 32 - Calculate the energy output in each of the fusion...Ch. 32 - Show that the total energy released in the...Ch. 32 - Verify by listing the number of nucleons, total...Ch. 32 - The energy produced by the fusion of a 1.00—kg...Ch. 32 - Tritium is naturally rare, but can be produced by...Ch. 32 - Two fusion reactions mentioned in the text are...Ch. 32 - (a) Calculate the number of grams of deuterium in...Ch. 32 - How many kilograms of water are needed to obtain...Ch. 32 - The power output of the Sun is 41026W. (a) If 90%...Ch. 32 - Another set of reactions that result in the fusing...Ch. 32 - (a) Find the total energy released in MeV in each...Ch. 32 - Verify that the total number of nucleons, total...Ch. 32 - Integrated Concepts The laser system tested for...Ch. 32 - Integrated Concepts Find the amount of energy...Ch. 32 - Integrated Concepts: (a) What temperature gas...Ch. 32 - Integrated Concepts (a) Estimate the years 1hat1he...Ch. 32 - (a) Calculate the energy released in the...Ch. 32 - (a) Calculate the energy released in the...Ch. 32 - (a) Calculate the energy released in the...Ch. 32 - Confirm that each at the reactions listed for...Ch. 32 - Breeding plutonium produces energy even before any...Ch. 32 - The naturally occurring radioactive isotope 232Th...Ch. 32 - The electrical power output of a large nuclear...Ch. 32 - A large power reactor that has been in operation...Ch. 32 - Find the mass converted into energy by a 12.0kT...Ch. 32 - What mass is converted into energy by a 1.00MT...Ch. 32 - Fusion bombs use neutrons from their fission...Ch. 32 - It is estimated that the total explosive yield of...Ch. 32 - A radiationenhanced nuclear weapon (or neutron...Ch. 32 - (a) How many 239Pu nuclei must fission to produce...Ch. 32 - Assume onefourth of the yield of a typical 320kT...Ch. 32 - This problem gives some idea of the magnitude of...Ch. 32 - It is estimated that weapons tests in the...Ch. 32 - A 1.00MT bomb exploded a few kilometers above the...Ch. 32 - Integrated Concepts One scheme to put nuclear...
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- 2. A projectile is shot from a launcher at an angle 0,, with an initial velocity magnitude vo, from a point even with a tabletop. The projectile hits an apple atop a child's noggin (see Figure 1). The apple is a height y above the tabletop, and a horizontal distance x from the launcher. Set this up as a formal problem, and solve for x. That is, determine an expression for x in terms of only v₁, o,y and g. Actually, this is quite a long expression. So, if you want, you can determine an expression for x in terms of v., 0., and time t, and determine another expression for timet (in terms of v., 0., y and g) that you will solve and then substitute the value of t into the expression for x. Your final equation(s) will be called Equation 3 (and Equation 4).arrow_forward4.56 ... CALC An object of mass m is at rest in equilibrium at the origin. At t = 0 a new force F(t) is applied that has components Fx(t) = k₁ + k₂y Fy(t) = k3t where k₁, k2, and k3 are constants. Calculate the position (1) and veloc- ity (t) vectors as functions of time.arrow_forward4.14 ⚫ A 2.75 kg cat moves in a straight line (the x-axis). Figure E4.14 shows a graph of the x- component of this cat's velocity as a function of time. (a) Find the maximum net force on this cat. When does this force occur? (b) When is the net force on the cat equal to zero? (c) What is the net force at time 8.5 s? Figure E4.14 V₁ (m/s) 12.0 10.0 8.0 6.0 4.0 2.0 0 t(s) 2.0 4.0 6.0 8.0 10.0arrow_forward
- 4.36 ... CP An advertisement claims that a particular automobile can "stop on a dime." What net force would be necessary to stop a 850 kg automobile traveling initially at 45.0 km/h in a distance equal to the di- ameter of a dime, 1.8 cm?arrow_forward4.46 The two blocks in Fig. P4.46 are connected by a heavy uniform rope with a mass of 4.00 kg. An up- ward force of 200 N is applied as shown. (a) Draw three free-body diagrams: one for the 6.00 kg block, one for B the 4.00 kg rope, and another one for the 5.00 kg block. For each force, indicate what object exerts that force. (b) What is the acceleration of the system? (c) What is the tension at the top of the heavy rope? (d) What is the tension at the midpoint of the rope? Figure P4.46 F= 200 N 4.00 kg 6.00 kg 5.00 kgarrow_forward4.35 ⚫ Two adults and a child want to push a wheeled cart in the direc- tion marked x in Fig. P4.35 (next page). The two adults push with hori- zontal forces F and F as shown. (a) Find the magnitude and direction of the smallest force that the child should exert. Ignore the effects of friction. (b) If the child exerts the minimum force found in part (a), the cart ac- celerates at 2.0 m/s² in the +x-direction. What is the weight of the cart? Figure P4.35 F₁ = 100 N 60° 30° F2 = 140 Narrow_forward
- 4.21 ⚫ BIO World-class sprinters can accelerate out of the starting blocks with an acceleration that is nearly horizontal and has magnitude 15 m/s². How much horizontal force must a 55 kg sprinter exert on the starting blocks to produce this acceleration? Which object exerts the force that propels the sprinter: the blocks or the sprinter herself?arrow_forwardNo chatgpt pls will upvotearrow_forwardPlease don't use Chatgpt will upvote and give handwritten solutionarrow_forward
- The kinetic energy of a pendulum is greatest Question 20Select one: a. at the top of its swing. b. when its potential energy is greatest. c. at the bottom of its swing. d. when its total energy is greatest.arrow_forwardPart a-D plarrow_forwardThe figure (Figure 1) shows representations of six thermodynamic states of the same ideal gas sample. Figure 1 of 1 Part A ■Review | Constants Rank the states on the basis of the pressure of the gas sample at each state. Rank pressure from highest to lowest. To rank items as equivalent, overlap them. ▸ View Available Hint(s) highest 0 ☐ ☐ ☐ ☐ ☐ ☐ Reset Help B F A D E The correct ranking cannot be determined. Submit Previous Answers × Incorrect; Try Again; 4 attempts remaining Provide Feedback lowest Next >arrow_forward
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