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A particular Bohr orbit in a hydrogen atom has a total energy of -0.85eV.
What is the kinetic energy of the electron in this orbit?
K=______________eV
& What is the electric potential energy of the system?
U=______________eV
A sound wave in our classroom has speed of 380 m/s. There is a speaker at each end of the table that has 4.0 m length. What is the minimum phase difference between the waves arriving to you from the two speakers
you are a fighter pilot in your jet. you are moving at 1000 km/h when you go into a climb in order to avoid a HUGE UFO. What is the radius of the circular arc
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 26.5 m/s. find the airplane\'s acceleration
A crate of mass m = 33 kg rides on the bed of a truck attached by a cord to the back of the cab, find the maximum acceleration the truck can have before the cord breaks
a wheel is spinning freely on its axis with an angular velocity w of 2 rad/s. What is its renitic energy if the angular velocity is increased to 10 rad/s
A fox locates its prey under the snow by slight sounds rodents make. how long the fox is in the air
What is the minimum soap-film thickness (n = 1.33) in air that will produce constructive interference in reflection for red (? = 644nm ) light
What is the Professors initial velocity. He is pushed a distance 3.00 m along the incline by a group of students who together exert a constant horizontal force of 595 N. The professor's speed at the bottom of ramp is 1.70 m/s.
If the scattered photon has a wavelength of 0.320nm , what is the wavelength of the incident photon, Find the kinetic energy of the recoil electron
A 3.70g bullet moving at 250m/s enters and stops in an initially stationary 3.50kg wooden block on a horizontal frictionless surface, How much work was done in stopping the bullet
A horizontal 792-N merry-go-round is a solid disk of radius 1.43 m, Find the kinetic energy of the disk after 2.92 s
find the time rocket reaches the peak height of trajectory.
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