Physics, 13.07.2020 23:01, aspenbaxter201634
A motor has an input power of 120 W and is 40 % efficient. Calculate the power wasted by the motor.
Answers: 1
Physics, 21.06.2019 14:00, icantspeakengles
Acar tire contains 0.0380 m^3 3 of air at a pressure of 2.20 Γ10^{5} 5 n/m^2 2 (about 32 psi). how much more internal energy does this gas have than the same volume has at normal atmospheric pressure, 1.01x10^5 5 pa?
Answers: 2
Physics, 21.06.2019 22:30, smusisca53
Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?
Answers: 1
Physics, 22.06.2019 04:00, katelynn73
Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.
Answers: 2
Physics, 22.06.2019 06:00, jagmeetcheema
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
A motor has an input power of 120 W and is 40 % efficient. Calculate the power wasted by the motor....
Biology, 12.02.2021 05:30
Mathematics, 12.02.2021 05:30
Mathematics, 12.02.2021 05:30
Mathematics, 12.02.2021 05:30
Biology, 12.02.2021 05:30