Physics, 20.08.2019 21:10 giavanleer14
You are standing 4.0 m from a convex security mirror in a store. you estimate the height of your image to be half of your actual height. estimate the radius of curvature of the mirror.
Answers: 1
Physics, 22.06.2019 04:30, xdimplesjoon
Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.
Answers: 1
Physics, 22.06.2019 06:00, jagmeetcheema
The frequency of vibrations of a vibrating violin string is given by f = 1 2l t ρ where l is the length of the string, t is its tension, and ρ is its linear density.† (a) find the rate of change of the frequency with respect to the following. (i) the length (when t and ρ are constant) (ii) the tension (when l and ρ 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 ⇒ f is ⇒ (ii) when the tension is increased by turning a tuning peg df dt 0 and t is ⇒ f is ⇒ (iii) when the linear density is increased by switching to another string df dρ 0 and ρ is ⇒ f is ⇒
Answers: 3
You are standing 4.0 m from a convex security mirror in a store. you estimate the height of your ima...
Computers and Technology, 01.09.2020 17:01
Chemistry, 01.09.2020 17:01
Computers and Technology, 01.09.2020 17:01
Mathematics, 01.09.2020 17:01