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A spring AB of constant k is attached to a support A and to a collar of mass m. The unstretched length of the spring is l. Knowing that the collar is released from rest at x = x0 and neglecting friction between the collar and the horizontal rod, determine the magnitude of the velocity of the collar as it passes through point C.
Find the magnitude of the acceration of each block. what is the magnitude of the average force exerted on the ball by the wall.
Compute the Coulomb repulsion energy between two nuclei of 235U (137Cs and 96Zr) that just touch at their surfaces. (b) Write the complete fission reaction equation for these products and calculate its Q-value. (assume r0 = 1.3x10-15 m) (10 pts)
A neutron star is the remnant left after certain supernovae (explosions of giant stars). What is a typical neutron star density
Find what are the elements present in sulphur and mention its advantages and disadvantages
two point charges -2q and 3q are on the x-axis -2q at the origin and 3q at x d. choose the potential to equal zero at
question why is it that a grow-lamp tube has an apparent color temperature of 5500 k and is cool to the touch. however
A stone is dropped from rest into a well. The sound of the splash is heard exactly 2.00 s later. Find the depth of the well if the air temperature is 14.0°C. meter
A fan blade rotates with angular velocity given by Wz(t)=r-B t^2 For the next two parts assume that the constants and are defined as follows: r= 5.25 rad/s B= 0.835 rad/s^3 -------------------------- A)Calculate the instantaneous angular acceleration..
A person hums into the top of a well and finds that standing waves are established at frequencies of 44.0, 132.0, and 220.0 Hz. The frequency of 44.0 Hz is not necessarily the fundamental frequency. The speed of sound is 343 m/s. How deep is the well..
A 0.50 mass is attached to a spring with a force constant of 27 and released from rest a distance of 3.3 from the equilibrium position of the spring. How far is the mass from the equilibrium position
Estimate the kinetic energy of the Mars with respect to the Sun as the sum of the terms, that due to its daily rotation about its axis
A 100g ball is thrown straight up in the air from a height of 1.5 m above the floor. what was the initial speed of the ball
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