Are the following examples of potential energy or kinetic energy? (a) fan blades spinning (b) a...
Are the following examples of potential energy or kinetic energy? (a) fan blades spinning (b) a bird flying (c) sodium hydroxide in a sealed jar (d) a person napping (e) ocean waves rippling
Homework Answers
a. A spinning fan blades has kinetic energy.
b. A flying bird has both potential and kinetic energy due its height above the ground and its speed, respectively. If the bird has mass m and speed v.
c. Potential energy , because jar is not in motion
d. Potential energy , because it is a rest phenomenon
e. Kinetic energy , because waves have velocity and mass.
Add Answer to:
Are the following examples of potential energy or kinetic
energy? (a) fan blades spinning (b) a...
Below are five descriptions of the kinetic and potential energy of objects. Which is a description...
Below are five descriptions of the kinetic and potential energy of objects. Which is a description of potential energy? water moving a waterwheel a skateboarder at the top of a halfpipe III. the blades of a fan turning IV. hot water molecules moving rapidly in a cup of tea V. a parachutist ready to jump out of a plane Select one: O a. I, III, and IV O b. II, III, and V O c. All of the above O...
Which of the following represents a form of microscopic energy? A. kinetic energy B. potential energy...
Which of the following represents a form of microscopic energy? A. kinetic energy B. potential energy C. gravitational energy D. heat E. mass
1) Classify the following as kinetic or potential energy: Answer: Answer: A) energy stored by position...
1) Classify the following as kinetic or potential energy: Answer: Answer: A) energy stored by position B) energy in nuclear particles C) energy of a moving object D) energy in chemical bonds Answer: Answer: E) energy of a fish swimming Answer: F) energy stored in methane Answer: Answer: G) energy of a flowing river Answer: H) energy stored in glucose 1 energy of an airplane in flight Answer:
7. which of the following statements are true? a. kinetic energy must be a positive quantity...
7. which of the following statements are true? a. kinetic energy must be a positive quantity b. kinetic energy may be either a positive or negative quantity c. potential energy must be a positive quantity d. potential energy may be either a positive or negative quantity e. the potential energy of a system must be equal to its kinetic energy
45. What is the matemathical relationship between potential energy (PE) and kinetic energy (KE)? a. They...
45. What is the matemathical relationship between potential energy (PE) and kinetic energy (KE)? a. They are directly proportional b. They are inversely proportional c. Their sum is equal to the total internal energy of the system (E) d. Both B and C are correct e. None of the above 46. What is a consequence of the 1 Law of Thermodynamics? a. The energy of a system can never change b. The energy of the surroundings can never change c....
Categorize the following things as potential energy, kinetic energy, or entropy: glucose molecule _________________, justify your...
Categorize the following things as potential energy, kinetic energy, or entropy: glucose molecule _________________, justify your choice: ________________________ decayed leaf _________________, justify your choice: _____________________________ running _________________, choice: _____________________________ lipid molecule _________________, justify your choice: _____________________________ 2 points active transport of sodium _________________, justify your choice: _________________ perspiring__________________, Justify your choice:____________________________
What energy transformation takes place when the skater rolls uphill with friction? A. kinetic energy to...
What energy transformation takes place when the skater rolls uphill with friction? A. kinetic energy to potential energy and thermal energy B. Potential energy to kinetic energy and thermal energy C. kinetic energy to thermal energy D. Potential energy to kinetic energy E. kinetic energy to potential energy
1.. Which statement is correct about the changes in potential energy and kinetic energy when two...
1.. Which statement is correct about the changes in potential energy and kinetic energy when two N atoms combine to form an N2 molecule? Group of answer choices a. The potential energy becomes more negative and the kinetic energy increases. b. The potential energy becomes more positive and the kinetic energy decreases. c. The potential energy becomes more positive and the kinetic energy increases. d. The potential energy becomes more negative and the kinetic energy decreases. 2.. You take solid...
25) Objects can possess energy as (a) endothermic energy (b) potential energy (c) kinetic energy A) a only B) b...
25) Objects can possess energy as (a) endothermic energy (b) potential energy (c) kinetic energy A) a only B) b only C) c only D) bandc E) a and 33) The value of AH' for the reaction below is - 790 kl. The enthalpy change accompanying the reaction of 0.95 g of Sis_ k 33) 25 (s) + 302 (9) -2503 (9) A) 12 B) 23 C) -23 D) - 790 E) -12 34) The value of AH' for the...
Specific enthalpy is defined as a. The sum of internal energy, kinetic energy, potential energy, chemical...
Specific enthalpy is defined as a. The sum of internal energy, kinetic energy, potential energy, chemical and nuclear energy b. Internal energy minus the product of pressure and volume c. The product of internal energy, pressure and specific volume d. Specific internal energy plus the product of pressure and specific volume
Below are five descriptions of the kinetic and potential energy of objects. Which is a description of potential energy? water moving a waterwheel a skateboarder at the top of a halfpipe III. the blades of a fan turning IV. hot water molecules moving rapidly in a cup of tea V. a parachutist ready to jump out of a plane Select one: O a. I, III, and IV O b. II, III, and V O c. All of the above O...
1) Classify the following as kinetic or potential energy: Answer: Answer: A) energy stored by position B) energy in nuclear particles C) energy of a moving object D) energy in chemical bonds Answer: Answer: E) energy of a fish swimming Answer: F) energy stored in methane Answer: Answer: G) energy of a flowing river Answer: H) energy stored in glucose 1 energy of an airplane in flight Answer:
45. What is the matemathical relationship between potential energy (PE) and kinetic energy (KE)? a. They are directly proportional b. They are inversely proportional c. Their sum is equal to the total internal energy of the system (E) d. Both B and C are correct e. None of the above 46. What is a consequence of the 1 Law of Thermodynamics? a. The energy of a system can never change b. The energy of the surroundings can never change c....
25) Objects can possess energy as (a) endothermic energy (b) potential energy (c) kinetic energy A) a only B) b only C) c only D) bandc E) a and 33) The value of AH' for the reaction below is - 790 kl. The enthalpy change accompanying the reaction of 0.95 g of Sis_ k 33) 25 (s) + 302 (9) -2503 (9) A) 12 B) 23 C) -23 D) - 790 E) -12 34) The value of AH' for the...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 11 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 11 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 11 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 11 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 11 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 11 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 11 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 11 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 11 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 11 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 11 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 11 months ago