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An object of mass .10kg makes an elastic head on collision with a stationary object with a mass of .15 kg. The final velocity of the .10kg object after the collision is -.045m/s. What is the initial velocity of the .10kg object?
A 6.90-g lead bullet traveling at 420 m/s is stopped by a large tree. what is the increase in temperature of the bullet
A face appears in a convex mirror; face is 75% its normal size and appears to be 24cm behind the mirror. How far was the face standing from the mirror
A beam of natural light with an irradiance of 330 W/m^2 impinges on the first of two consecutive ideal linear polarizers whose transmission axes are 67.0° apart
A disk 1.0cm in diameter is located 2.5 m from a 100-W light bulb. The surface of the disk is a perfect reflector, Calculate the radiation force on the disk
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. How far is her face from the hubcap
A child looks at his reflection in a spherical Christmas tree ornament 8cm in diameter, and sees his image reduced by half. How long is his face from the ornament.
A vertical spring with a spring constant of 2.16 N/m has a 0.31-kg mass attached to it, and the mass moves in a medium with a damping constant of 0.025 kg/s. The mass is released from rest at a position 4.5 cm from the equilibrium position. How long ..
A rocket moves with a velocity of 0.91c to the right with respect to a stationary observer A. What is the velocity of observer
Two particles of masses m and 3m are moving toward each other along the x-axis with the same speed v. Determine the final speed of the heavier object
A sample has a activity of 0.0021 Bq per gram of carbon. Find the age of the sample, assuming that the activity per gram of carbon in a living organism has been constant at a value of 0.23 Bq
Two moles of an ideal monatomic gas expands isothermally at a temperature of 43 C. If the heat flow into the gas was 2 kJ, by what ratio did the volume of the gas increase
Lets suppose if a pure Si crystal has 5 X 10 28 atoms m -3. It is dopped by 1 PPM concentration of pentavelents As( arsenic)
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