Homework Answers
Gravitational potential energy is function of height of the system so it will be zero at lowest point.
Explanation along with calculation is as shown below.
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Student Wo 33.O If the point at which the cart leaves the bumper is the lowest point of the eyete...
+ 0 A cart attached to a spring is given an initial push, Displacement, cm displacing...
+ 0 A cart attached to a spring is given an initial push, Displacement, cm displacing it from its 4 A B equilibrium position. A 2 graph of displacement as a ус function of time for the 2 cart is shown at right. The -2-1 system has a total initial energy of 12 J and there is no friction. Five points are labeled A-E in the graph. For each labeled point, complete the bar chart below for the kinetic energy...
loop, what is that potential eleng Wilci u VIOLA 15 al punt P. (d) at point...
loop, what is that potential eleng Wilci u VIOLA 15 al punt P. (d) at point O, and (e) at the top of the loop? (f) If, instead of merely being released, the block is given some initial speed down- ward along the track, do the answers to (a) through (e) increase decrease, or remain the same? 7 Figure 8-34 shows a thin rod, of length L = 2.00 m and neg. ligible mass, that can pivot about one end...
Question 30 (1 point) Which system has the least entropy? a) 10CH4 Ob) 5C2H6 O c)...
Question 30 (1 point) Which system has the least entropy? a) 10CH4 Ob) 5C2H6 O c) C10H22 Od 2C5H12 Question 34 (1 point) Which of the following is a component of the kinetic molecular theory of gases? a) Gases have no volume b) Gases are assumed to have no temperature Oc) Ideal gas particles have no volume d) Ideal gas particles have no kinetic energy
QUESTION 1 An Atwood Machine consists of two masses connected to a cord which is draped...
QUESTION 1 An Atwood Machine consists of two masses connected to a cord which is draped over a pulley. In our experiment, what will be true about the masses? Mass 1 will vary with Mass 2 held constant. Mass 1 will vary with Mass 2 held constant. The masses will have a constant sum. The masses will have a constant mass difference. 3 points QUESTION 2 You will get a value for acceleration for each trial from a LoggerPro...
A 2.0-kg block slides down a frictionless incline from point A to point B. A force...
A 2.0-kg block slides down a frictionless incline from point A to point B. A force (magnit on the block between A and B, as shown. Points A and B are 2.0 m apart.If the kinetic A is 10 J, what is the kinetic energy of the block at B? O N e blo A. a. 27 J b. 20 J c. 24 J e. 37 J ower end supported by a horizontal surface. 13. A spring (k-600 N/m) is...
(7) Student grade point statistics [Problem description] There is a need to make statistics of the grade points o...
(7) Student grade point statistics [Problem description] There is a need to make statistics of the grade points of the students in the first semester of 2018. It is assumed that there are n (can be set as 6) classes in this grade, and there are 20 students in each class, the total number of courses with exam is m (can be set as 10), and the percentage system is adopted for each course. The gpa is 4, 3, 2,1,...
On the following graph, use the black point (plus symbol) to indicate the profit-maximizing quantity sold and the lowest price at which the firm sells its boots.
On the following graph, use the black point (plus symbol) to indicate the profit-maximizing quantity sold and the lowest price at which the firm sells its boots. Next, use the purple points (diamond symbol) to shade the profit, the green points (triangle symbol) to shade the consumer surplus, and the black points (white plus symbol) to shade the deadweight loss in this market with perfect price discrimination. (Note: If you decide that consumer surplus, profit, or deadweight loss equals zero,...
Procedure: Materials: 1. apparatus 2. 2 pieces of metal track 3. plastic or metal ball 4....
Procedure: Materials: 1. apparatus 2. 2 pieces of metal track 3. plastic or metal ball 4. timer 5. meter stick 6. micrometer 7. 2 photogates Assemble your ramp as shown in Figure (1) in the next page. Then set up photogates in location 2 and 3. Measure the diameter (in m) of the metal balls (you will need it for speed calculations). Then, measure the weight (mass) of the ball (in kg). To have a better measurement of the time,...
Question 1 1 pts What is the kinetic energy of a man who weighs 980N who...
Question 1 1 pts What is the kinetic energy of a man who weighs 980N who is riding in a car traveling 40 km per hour? Express your answer in Joules, but don't type the unit in the answer box. Round to the nearest whole number. (Careful with the units) 1 pts Astudent slides her 80.0-kg desk across the level floor of her dormitory room a distance 4.00 m at constant speed. If the coefficient of kinetic friction between the...
+ 0 A cart attached to a spring is given an initial push, Displacement, cm displacing it from its 4 A B equilibrium position. A 2 graph of displacement as a ус function of time for the 2 cart is shown at right. The -2-1 system has a total initial energy of 12 J and there is no friction. Five points are labeled A-E in the graph. For each labeled point, complete the bar chart below for the kinetic energy...
loop, what is that potential eleng Wilci u VIOLA 15 al punt P. (d) at point O, and (e) at the top of the loop? (f) If, instead of merely being released, the block is given some initial speed down- ward along the track, do the answers to (a) through (e) increase decrease, or remain the same? 7 Figure 8-34 shows a thin rod, of length L = 2.00 m and neg. ligible mass, that can pivot about one end...
Question 30 (1 point) Which system has the least entropy? a) 10CH4 Ob) 5C2H6 O c) C10H22 Od 2C5H12 Question 34 (1 point) Which of the following is a component of the kinetic molecular theory of gases? a) Gases have no volume b) Gases are assumed to have no temperature Oc) Ideal gas particles have no volume d) Ideal gas particles have no kinetic energy
A 2.0-kg block slides down a frictionless incline from point A to point B. A force (magnit on the block between A and B, as shown. Points A and B are 2.0 m apart.If the kinetic A is 10 J, what is the kinetic energy of the block at B? O N e blo A. a. 27 J b. 20 J c. 24 J e. 37 J ower end supported by a horizontal surface. 13. A spring (k-600 N/m) is...
(7) Student grade point statistics [Problem description] There is a need to make statistics of the grade points of the students in the first semester of 2018. It is assumed that there are n (can be set as 6) classes in this grade, and there are 20 students in each class, the total number of courses with exam is m (can be set as 10), and the percentage system is adopted for each course. The gpa is 4, 3, 2,1,...
Procedure: Materials: 1. apparatus 2. 2 pieces of metal track 3. plastic or metal ball 4. timer 5. meter stick 6. micrometer 7. 2 photogates Assemble your ramp as shown in Figure (1) in the next page. Then set up photogates in location 2 and 3. Measure the diameter (in m) of the metal balls (you will need it for speed calculations). Then, measure the weight (mass) of the ball (in kg). To have a better measurement of the time,...
Question 1 1 pts What is the kinetic energy of a man who weighs 980N who is riding in a car traveling 40 km per hour? Express your answer in Joules, but don't type the unit in the answer box. Round to the nearest whole number. (Careful with the units) 1 pts Astudent slides her 80.0-kg desk across the level floor of her dormitory room a distance 4.00 m at constant speed. If the coefficient of kinetic friction between the...
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