Homework Answers
Work done on an object is given by
or
eq-1
where theta is the angle between the force and the displacement
Now,
Keeping the force and angle same but twice the displacement, then
or
by putting the value of W from eq-1 we get
Hence
Option - A is correct answer.
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its path OB. B the potential energy at the bottom of its path. OC. the momentum...
QUESTION 13 The potential energy, at top of the path of an object in free fall,is...
QUESTION 13 The potential energy, at top of the path of an object in free fall,is equal to OA the kinetic energy at the bottom of its path. O B the potential energy at the bottom of its path. OC the momentum at the bottom of its path. the velocity at the bottom of its path.
QUESTION 3 KI's cash flow to creditors in 2015 is Oa $6,700 Ob.$16,600 OC $1,400 Od...
QUESTION 3 KI's cash flow to creditors in 2015 is Oa $6,700 Ob.$16,600 OC $1,400 Od $23,800 QUESTION 4 KI's return on assets is O 15.30% Ob.17.32% OC 10.53% Od. 12.79% QUESTION 5 KI's internal growth rate is Oa2.07% Ob.6.78% OC1.88% Od.5.19% Click Save and Submit to save and submit. Click Save All Answers to save all answers. Use the following financial statements to answer Questions 1-17. Kramerica Industries (KI) 2015 Income Statement $422,045 291,090 37,053 $83,902 16,400 $77,502 27,126...
The energy of motion is called: Kinetic energy. potential energy, inertial energy. Power. In an inelastic...
The energy of motion is called: Kinetic energy. potential energy, inertial energy. Power. In an inelastic collision: momentum is conserved. kinetic energy is conserved, both (a) and (b). If the velocity of a moving object is doubled and its mass is cut in half, the kinetic energy of the object is; remains the same, doubled quadrupled, cut in half. When the net work done on an object is speed of the object is me on an object is zero; the...
QUESTION 48 What is the major organic product obtained from the following reaction? a. 1 Ob.2...
QUESTION 48 What is the major organic product obtained from the following reaction? a. 1 Ob.2 OC.3 O d. 4 QUESTION 49 The strongest acid of the following is indicated by the Roman numeral CHCH,COOH BCH CHCOOH CH CH CH OH CH CHCOOH Click Save and Submit to save and submit. Click Save All Anner to save all answers
QUESTION 33 Match each arrow letter with the proper label. B C Potential Energy D A...
QUESTION 33 Match each arrow letter with the proper label. B C Potential Energy D A E Reaction Coordinate CH(g) + 2O5(g)-CO-(g) + 2H2O + S90,4kg 1. Potential energy of the reactants Click Save and Submit to save and submit. Click Save an Answers to save all ansers Type here to search O 994 Reaction Coordinate CH,(g) + 20g) - CO2(g) + 2H2O(0) + 890.4 kJ 1. Potential energy of the reactants Arrow A 2. Activation Energy of the forward...
Linear Momentum of an object is conserved At all times b. Only when the net external...
Linear Momentum of an object is conserved At all times b. Only when the net external force on the object is Zero When the net external torque on the object is Zero d. Never A truck of mass 4000 (kg) is moving at 10 (m/s). A car of mass 1000 (kg) is moving at 40 (m/s). So, the truck’s momentum, compared to the car, is Greater b. Smaller c. the same d. Cannot say without knowing their accelerations A 1000...
U 8.9XIU QUESTION 26 An electron moves from a potential of 10V to a potential of...
U 8.9XIU QUESTION 26 An electron moves from a potential of 10V to a potential of O V. How much work is done by the electric field? O-10 eV O 160x10-18 eV O Dev O 10 ev QUESTION 27 When a 10 volt potential is applied across the ends of an ohmic device, 35 mA of current is observed to flow through it. What is the resistance of the device? 350 ohms 0.0035 ohms 286 ohms O 0.35 ohms Click...
Would this crossed aldol condensation work well? Why so, or why not? Question Completion Status: OC....
Would this crossed aldol condensation work well? Why
so, or why not?
Question Completion Status: OC. III OD.IV QUESTION 4 Would this crossed aldol condensation work well? Why so, or why not? To base A. Yes, the diketone is significantly more acidic, so its enolate can be formed with greater selectivity B. Yes, the aldehyde is significantly more acidic, so its enolate can be formed with greater selectivity OC. No, the aldehyde is significantly more acidic, so its enolate cannot...
Suppose that the force applied to the object were twice as large as that of previous...
Suppose that the force applied to the object were twice as large as that of previous problem. Match the appropriate Velocity, Acceleration and Force vs time graphs in the figure. Note: the graphs on this problem and the last have exactly the same scales. grane F G A H E 4 3 1 0 5 4 3 2 1 Time(s) Time(s) 1. F Velocity 2.A 3.1 Acceleration 4.G Force 5.D 6. H 7.c 8.E 9.B Save All Answers Click Save...
Question Completion Status: QUESTION 19 The momentum density of an electromagnetic wave is defined as pem=E(EXB)....
Question Completion Status: QUESTION 19 The momentum density of an electromagnetic wave is defined as pem=E(EXB). The direction of the momentum density denotes the direction of the propagation of an electromagnetic wave. At a particular instant, the electric field associated with an electromagnetic wave propagating in free space is directed along the positive x-axis and the magnetic field is along the positive z-axis, as shown in the figure. B. E What is the direction of propagation for this electromagnetic wave?...
QUESTION 13 The potential energy, at top of the path of an object in free fall,is equal to OA the kinetic energy at the bottom of its path. O B the potential energy at the bottom of its path. OC the momentum at the bottom of its path. the velocity at the bottom of its path.
QUESTION 3 KI's cash flow to creditors in 2015 is Oa $6,700 Ob.$16,600 OC $1,400 Od $23,800 QUESTION 4 KI's return on assets is O 15.30% Ob.17.32% OC 10.53% Od. 12.79% QUESTION 5 KI's internal growth rate is Oa2.07% Ob.6.78% OC1.88% Od.5.19% Click Save and Submit to save and submit. Click Save All Answers to save all answers. Use the following financial statements to answer Questions 1-17. Kramerica Industries (KI) 2015 Income Statement $422,045 291,090 37,053 $83,902 16,400 $77,502 27,126...
The energy of motion is called: Kinetic energy. potential energy, inertial energy. Power. In an inelastic collision: momentum is conserved. kinetic energy is conserved, both (a) and (b). If the velocity of a moving object is doubled and its mass is cut in half, the kinetic energy of the object is; remains the same, doubled quadrupled, cut in half. When the net work done on an object is speed of the object is me on an object is zero; the...
QUESTION 48 What is the major organic product obtained from the following reaction? a. 1 Ob.2 OC.3 O d. 4 QUESTION 49 The strongest acid of the following is indicated by the Roman numeral CHCH,COOH BCH CHCOOH CH CH CH OH CH CHCOOH Click Save and Submit to save and submit. Click Save All Anner to save all answers
QUESTION 33 Match each arrow letter with the proper label. B C Potential Energy D A E Reaction Coordinate CH(g) + 2O5(g)-CO-(g) + 2H2O + S90,4kg 1. Potential energy of the reactants Click Save and Submit to save and submit. Click Save an Answers to save all ansers Type here to search O 994 Reaction Coordinate CH,(g) + 20g) - CO2(g) + 2H2O(0) + 890.4 kJ 1. Potential energy of the reactants Arrow A 2. Activation Energy of the forward...
U 8.9XIU QUESTION 26 An electron moves from a potential of 10V to a potential of O V. How much work is done by the electric field? O-10 eV O 160x10-18 eV O Dev O 10 ev QUESTION 27 When a 10 volt potential is applied across the ends of an ohmic device, 35 mA of current is observed to flow through it. What is the resistance of the device? 350 ohms 0.0035 ohms 286 ohms O 0.35 ohms Click...
Would this crossed aldol condensation work well? Why
so, or why not?
Question Completion Status: OC. III OD.IV QUESTION 4 Would this crossed aldol condensation work well? Why so, or why not? To base A. Yes, the diketone is significantly more acidic, so its enolate can be formed with greater selectivity B. Yes, the aldehyde is significantly more acidic, so its enolate can be formed with greater selectivity OC. No, the aldehyde is significantly more acidic, so its enolate cannot...
Suppose that the force applied to the object were twice as large as that of previous problem. Match the appropriate Velocity, Acceleration and Force vs time graphs in the figure. Note: the graphs on this problem and the last have exactly the same scales. grane F G A H E 4 3 1 0 5 4 3 2 1 Time(s) Time(s) 1. F Velocity 2.A 3.1 Acceleration 4.G Force 5.D 6. H 7.c 8.E 9.B Save All Answers Click Save...
Question Completion Status: QUESTION 19 The momentum density of an electromagnetic wave is defined as pem=E(EXB). The direction of the momentum density denotes the direction of the propagation of an electromagnetic wave. At a particular instant, the electric field associated with an electromagnetic wave propagating in free space is directed along the positive x-axis and the magnetic field is along the positive z-axis, as shown in the figure. B. E What is the direction of propagation for this electromagnetic wave?...
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