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An object with mass 3.9kg is attached to a spring with spring stiffness constant 230N/m and is executing simple harmonic motion. When the object is 1.7×10^?2m from its equilibrium position, it is moving with a speed of 0.65m/s Calculate the amplitude of the motion. Calculate the maximum velocity attained by the object. [Hint: Use conservation of energy.]
Calculate the energy density in the electric field. After the collision, the club head travels (in the same direction) at 46 m/s. Find the speed of the golf ball just after impact.
How does the magnitude of electrical force between a pair of charged objects change while the objects are moved twice as far apart? Three times as far apart.
What is the source of charge carriers moving in an electric circuit, and what is the role of the battery/source in that movement
Estimate the percent change in mass δm/m of a block of copper which is heated from 300 K to 400 K. The molar speci?c heat of copper is cP = 2.6·104 J/kmol·K and, its atomic weight is 29.
A 4.90-g lead bullet traveling at 550 m/s is stopped by a large tree, what is the increase in temperature of the bullet
Given the Sun's distance from the center of the Milky Way and the Sun's period of revolution, how can we determine a lower bound for the mass of the Milky Way galaxy?
If the wet bulb temperature of a parcel at 1000mb is 60F and its mixing ratio is 6 g/kg, find the relative humidity of the parcel after it is lifted dry adiabatically to 900mb. Assume a constant latent heat of vaporization of 2.47 x 10^6 J/kg.
Let us take half the terminal speed as a reasonable "upper bound" beyond which we should not use our constant acceleration free-fall relationships.
A sign weighing 400N is suspended at the end of a 350N uniform rod that is hinged at the wall. What is the tention T in support cable
Which of these do you think would allow sound to travel fastest? Explain the answer. Give two reasons - one relating to the density of molecules and the second to the elasticity of your choice - air, water, solid wood. Confirm to specifically stat..
Find the minimum initial speed of a projectile in order for it to reach a height of 1961 km above the surface of the earth
A thin uniform rod has a length of 0.500m and is rotating in a circle on a frictionless table. The axis of rotation is perpendicular to the length of the rod at one end, What is the mass of the bug
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