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A 0.50 kg mass is attached to a spring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has an amplitude of 0.040 m. A) Find the potential energy stored in the spring when the mass is at its maximum displacement. B) What is the speed of the mass when it is passing through the equilibrium position?
A volleyball is spiked so that its incoming velocity of +4.0m/s is changed to an outgoing velocity of -21 m/s. What impluse does the player apply to the ball
a football is kicked at ground level with a speed of 18.0 m/s at an angle of 35.0 degrees to the horizontal. how much later does it hit the ground
A solid sphere has a temperature of 628 K. The sphere is melted down and recast into a cube that has the same emissivity and emits the same radiant power as the sphere. What is the cube's temperature?
A two-slit pattern is viewed on a screen 1.08 m from the slits. what is the total width of the central bright fringe
A commercial airliner is undergoing its initial ascent while the pilot maintains a cabin environment of T = 23 C, r = 0.35, and p = 880 hPa. At the 670 hPa level an exit door ruptures and cabin pressure rapidly decompresses. Will clouds form in the c..
Consider an isolated metallic sphere of radius R and another isolated metallic sphere of radius 3R. If both spheres are at the same potential, what is the ratio of their potentials
You ski straight down a 43.4° slope, starting from rest and traveling a distance of 10.3 m along the slope. Find your final velocity
A series RLC circuit with R= 45Ohm , L = 270 mH , and C = 4.0 mircoF is connected across a sine-wave generator whose peak output voltage is independent of frequency. Find the minimum frequency of the frequency range over which the peak current will..
A 68.1-kg basketball player jumps vertically and leaves the floor with a velocity of 1.92 m/s upward. (Take upward as positive and forward as positive.), What impulse does the player experience
A 12.0-cm diameter loop of wire is initially oriented perpendicular to a 1.5-T magnetic filed. What is the average induced emf in the loop
Through 5 successive 1.04 min intervals, a runner moves at the following constant speeds: 0.405 km/min, 0.220 km/min, 0.160 km/min, 0.163 km/min, and 0.323 km/min. compute the total distance travelled and average speed.
An object placed 14.9 cm from a concave mirror produces a real image 12.3 cm from the mirror. where is the new image located as measured from the mirror
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