subject
Physics, 17.11.2019 08:31 joejoefofana

Which statement about energy transformations is not true?
a all forms of energy can be transformed into thermal
b energy is never destroyed or created during transformations
c potential chemical energy always transforms into kinetic
d some thermal energy is always released during a transformation

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 03:40
Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays
Answers: 2
question
Physics, 22.06.2019 07:50
The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.
Answers: 2
question
Physics, 22.06.2019 09:20
Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers
Answers: 1
question
Physics, 22.06.2019 16:30
What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?
Answers: 2
You know the right answer?
Which statement about energy transformations is not true?
a all forms of energy can be trans...
Questions
question
Computers and Technology, 01.10.2019 01:00
Questions on the website: 13722361