Physics, 29.09.2019 21:30 mahhvelousg97
Apack of pencils at the top of a 100m desk bas a mass of 10 kg. what is the pack of pencils gravitational potential energy?
answer today and explain if you can!
Answers: 2
Physics, 22.06.2019 06:00
The frequency of vibrations of a vibrating violin string is given by f = 1 2l t Ο where l is the length of the string, t is its tension, and Ο is its linear density.β (a) find the rate of change of the frequency with respect to the following. (i) the length (when t and Ο are constant) (ii) the tension (when l and Ο are constant) (iii) the linear density (when l and t are constant) (b) the pitch of a note (how high or low the note sounds) is determined by the frequency f. (the higher the frequency, the higher the pitch.) use the signs of the derivatives in part (a) to determine what happens to the pitch of a note for the following. (i) when the effective length of a string is decreased by placing a finger on the string so a shorter portion of the string vibrates df dl 0 and l is β f is β (ii) when the tension is increased by turning a tuning peg df dt 0 and t is β f is β (iii) when the linear density is increased by switching to another string df dΟ 0 and Ο is β f is β
Answers: 3
Physics, 22.06.2019 09:00
Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy
Answers: 1
Physics, 22.06.2019 16:00
What is friction? how does it affect the motion of an object?
Answers: 1
Physics, 23.06.2019 02:00
Which statement describes the formation of our sun? a disk formed of long trails of stars coiled into a spiral. it formed an elliptical flattened disk. heat and gases contracted within a nebula. gravity pushed stars away from a center core.
Answers: 1
Apack of pencils at the top of a 100m desk bas a mass of 10 kg. what is the pack of pencils gravitat...
Mathematics, 30.11.2020 03:50
Mathematics, 30.11.2020 03:50
Physics, 30.11.2020 03:50
Biology, 30.11.2020 03:50
Computers and Technology, 30.11.2020 03:50
Business, 30.11.2020 03:50
Mathematics, 30.11.2020 03:50
Mathematics, 30.11.2020 03:50
Mathematics, 30.11.2020 03:50
Mathematics, 30.11.2020 03:50
Business, 30.11.2020 03:50
Mathematics, 30.11.2020 03:50
Mathematics, 30.11.2020 03:50