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Q1. A 240 g block hangs from a spring with spring constant 8.0cm. At the block is 23cm below the equilibrium point and moving upward with a speed of 119cm/s. What are blocks-
what is block's distance from equilibrium is when the speed is 69 cm /s?
What is block's position at t=10s?
Q2. A monochromatic beam of light is absorbed by a collection of ground-state hydrogen atoms in such a way that three different wave-lengths are observed while the hydrogen relaxes back to the ground state.
What is the wavelength of the incident beam?
Response in units of nm.
W hat is the downward acceleration of the blue spool
What is momentum of a truck speeding down the highway at a given instant? Discuss how the momentum is changed if the truck loses some of its cargo while maintaining the same velocity.
How long can craft hover over the moon surface Contract between Einstein's calculations and observed precession
What is the ratio of the amplitude
Which is safer as a road material
Megan's mass is 27 kg. She climbs the 4.8 m ladder of a slide and reaches a velocity of 3.6 m/s at the bottom of the slide. How much work was completed by friction on Megan? Imagine that air resistance is negligible.
What is relative velocity
How much energy was released in an explosion
How much charge passes during the starter motor
Find out the speed of a 56.7 kg thrill seeker at the bottom of the slide, assume no friction. If the thrill seeker has a speed of 24.1 m/s at the bottom, find out the change in mechanical energy due to friction.
What is the muzzle velocity
The distance between the first and fifth minimum on a screen 60 cm behind the slits is 6.0 mm. What is the wavelength of the light used in this experiment.
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