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A 170 g block connected to a light spring with a force constant of k = 4N/m oscillates on a horizontal, frictionless surface. The block is released from rest with an initial displacement xi = 5cm from equilibrium.
(A) What is the maximum magnitude of the force exerted by the spring during this motion?
(B) At what value of x is the force from the spring equal to P= 48% of the maximum force?
(C) At what value ofx is the speed of the block equal to 48% of its maximum speed?
Vi = 10-3 m3 chamber of a gas bottle contains some argon gas (atomic weight = 0.040 kg/mole) at a pressure of 104 Pa and a temperature of 22° C. Illustrate what is the number density of atoms in this chamber?
A photographer uses a lens with f = 50mm to form an image of a distant object on the CCD detector in a digital camera, What is the height of the image now
Suppose you wish to fabricate a uniform wire out of 2.6 g of copper. If the wire is to have a resistance of R = 0.25 and if all of the copper is to be used, what must be the length of the wire in m and the diameter of the wire in mm.
What is the resultant displacement when a dog runs 36 m North, and then changes direction to run 13.6 m West? answer sketching diagram and showing all calculation.
A 1kg ball with a speed of 3 m/s collides head on, elastically, with a 2 kg ball moving at 1 m/s. What will be the velocity of each ball after the collision
Power lines at 20,000V (rms) are connected to a utility pole transformer. Find the ratio of the number of turns in the primary to the number of turns in the secondary
A javelin is thrown at an initial speed of 28.5 m/s at an initial height of 1.93 m above the ground, Find this maximum range
When yellow sodium light, ?=589nm, falls on a diffraction grating, its first-order peak on a screen 55.0cm away falls 3.29cm from the central peak. What is the wavelength of the new source
Vector A ? has magnitude 10.0m m and vector B ? has magnitude 18.0m m . The scalar product A ? ?B ? is 90.0m 2. What is the magnitude of the vector product
How much would a 80.0 kg person weight on Mars, where the acceleration of gravity is 3.93 m/s^2, and on Earths Moon, where the acceleration of gravity is 1.63 m/s^2.
An elevator is able to raise 9,800 N to a height of 37 m in 12 s, What is the elevator's power output and How much work does the elevator do
falls to the safety net while the other speeds away, to reach another swing at the same height at that of the swing they left. Illustrate what should be the distance (in m) between the two swings?
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