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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.
What law of physics would be violated
Why does the base of a shuttle cock always lead in motion when hit with a racket. what is grocery carts final speed.
Write down the expression for net torque
What is lemmings kinetic energy
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 magnitude of the gravitational attraction
With what tension should a rope with length 3.00m and mass 0.135kg be stretched for transverse waves of frequency 43.0Hz to have a wavelength of 0.720m. What torque does friction exert even as this wheel is slowing down.
The coil is flipped so its plane is vertical to the magnetic field in 0.050 s. What is the magnitude of the average induced emf.
Find out the minimum horizontal velocity magnitude of the acceleration of the blocks
Two charges are placed on the x axis. One of the charges (q1 = +6.95C) is at x1 = +3.00 cm and the other (q2 = -27.3C) is at x2 = +9.00 cm. Find out the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b..
Estimation instantaneous rate of evaporation
What is the caused by sun wind in upper atmosphere
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