What is the rotational kinetic energy of the Earth?
_______ Nm which is also Joules (J) Note that a number like
1.23x10^15 can be entered as 1.23E15
What is the rotational kinetic energy of the Earth? _______ Nm which is also Joules (J)...
Q) What is the kinetic energy, in joules, of a molecule of oxygen moving at a speed of 255 m/s(use the appropriate prefix to avoid exponential notation) a) The equation for kinetic energy is ½mv2, and is in units of joules. What are the component units for joules in terms of mass and velocity? kg m^2/s^2 b) From the previous part, we know that the mass needs to be in units of kg. What is the mass of an oxygen...
(a) Calculate the rotational kinetic energy (in J) of Saturn on its axis. (Assume its mass to be 5.69 ✕ 1026 kg, the period about its axis to be 10.2 h, and its diameter to be 1.21 ✕ 105 km.) J (b) What is the rotational kinetic energy (in J) of Saturn in its orbit around the Sun? (Assume its distance from the sun to be 1.43 ✕ 109 km and its period about the sun to be 10800 days.)...
Problem 5. a. What is the energy in joules and electron volts of a photon of 520-nm green light? b. What is the maximum kinetic energy of electrons ejected from calcium by 520-nm green light, given that the binding energy (or work function) of electrons for calcium metal is 2.71 eV? (Note: this question has already been answered by another tutor, but the way they solved the problem was counted wrong by my instructor)
5. Find the kinetic energy of an electron whose de Broglie wavelength is 34.0 nm. J 6. Light with a frequency of 1.85 x 1015 Hz ejects electrons from the surface of zinc, which has a work function of 4.33 eV. What is the minimum de Broglie wavelength of the ejected electrons? nm
What is the change in Kinetic Energy, in joules, in this frame
of reference?
Please can someone show me every step? Thanks
(6%) Problem 15: Two manned satellites are approaching one another at a relative speed of 0.225 m/s, intending to dock. The first has a mass of 3.75 x 103 kg, and the second a mass of 9.8 x 103 kg.
Find the kinetic energy of an electron whose de Broglie
wavelength is 40.0 nm.
7.07e16 J
Find the kinetic energy (J) of an electron which has a de Broglie wavelength equal to 605 nm.
Problem 5. a. What is the energy in joules and electron volts of a photon of 520-nm green light? b. What is the maximum kinetic energy of electrons ejected from calcium by 520-nm green light, given that the binding energy (or work function) of electrons for calcium metal is 2.71 eV?
Problem 5. a. What is the energy in joules and electron volts of a photon of 520-nm green light? b. What is the maximum kinetic energy of electrons ejected from calcium by 520-nm green light, given that the binding energy (or work function) of electrons for calcium metal is 2.71 eV?
a) What is the energy (in joules) of an ultraviolet photon with wavelength 160 nm ? Express your answer using two significant figures b) What is its frequency? Express your answer using two significant figures.