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How much energy is needed to move an electron in a hydrogen atom from the ground state (n=1) to n=3? Calculate the answer in eV and in joules.
Assume that you are an observer located at a latitude of 40degrees north (on Earth). Draw a fully labeled diagram showing from your vantagepoint: What is the altitude or elevation of Polaris?
A capacitor with parallel circular plates of radius R = 1.65 cm is discharging via a current of 16.5 A. How much displacement current is encircled by the loop
a longitudinal standing wave is established in a tube open at one end only. in air the fundamental frequency is 110 hz.
when viewed in a spherical mirror the image of a setting sun is a virtual image. the image lies 17 cm behind the
A boy exerts a force of 10.8 N at 27.0 degrees above the horizontal on a 6.35 kg sled. Find the work done by the boy and the final speed of the sled after it moves 2.35 m, assuming the sled starts with an initial speed of 0.350 m/s and slides hori..
directions be sure to save an electronic copy of your answer before submitting it to ashworth college for grading.
The block is pulled away from the spring's unstrained position by a distance x0 = 0.050 m and released from rest. The period of the subsequent periodic motion of the block is 0.64 s. At what distance from the unstrained position is the speed of the b..
Consider two masses ( treat as point masses) of mass m=1.5 kg and m=2.5 kg held together by a massless rod of length 2a=2.0 m and free to pivot at the center of the rod.
A 4.0 kg mess kit sliding on a frictionless surface explodes into two 2.0 kg parts, What is the original speed of the mess kit
A roofer accidently drops a bundle of shingles. If it hits the ground with a speed of 86 m/s, how fast was it moving 3 seconds earlier (g=10 m/s/s)
A platform is rotating at an angular speed of 2.1 rad/s. A block is resting on this platform at a distance of 0.33 m from the axis. determine the smallest distance from the axis
An ocean liner leaves New York City and travels 43° north of east for 189 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the directions.
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