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An 8.61 kilogram block of ice at 0°C is sliding on a rough horizontal ice house floor (also at 0°C) at 15.4m/s. Assume that half of any heat generated goes into the floor and the rest goes into the ice. Find gow much ice melts after the speed of the ice has been reduced to 10.5 ? And Determine the maximum amount of ice that will melt?
The potential energy stored in the compressedspring of a dart gun, with a spring constant of 66.50 N/m, is 1.040J. Find by how much is the spring is compressed.
an object of unknown mass is attached to an ideal spring with force constant 120 nm and is found to vibrate with a
A capacitor consisting of two concentric spheresof radius R1 and R2 =3.50·R1 has a capacitance of C = 5.00 pico Faradsand is charged to a potential difference of 86.0 Volts. Calculate the energy stored in the capacitor
What is the centripetal acceleration of a helicopter flying in a horizontal circle of a diameter 510 m at a speed of 120 m/s
Compare the gravitational lens to the one found in a telescope.
Suppose a planet is discovered that has the same amount of mass in a given volume as the Earth, but has radius 1/5 . Calculate the acceleration due to gravity on this planet
Jack and Jill are standing on a crate at rest on the frictionless, horizontal surface of a frozen pond. Jack has a mass of 74.6kg , Jill has a mass of 44.0kg, What is the final speed of the crate if Jill jumps first and then Jack, again in the same..
A 9.60cm -long solenoid of diameter 0.405cm is wound uniformly with 750 turns, What is the mutual inductance of the combination of the two coils
an unusual spring has a restoring force of magnitude f 2.0 nm x 1.0 nm2 x2 where x is the stretch of the spring from
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. How many electrons are there in 4.95 liters of water
Calculate the speed of a proton that is accelerated from rest through a potential difference of 134V. Calculate the speed of an electron that is accelerated through the same potential difference.
the earth has an angular speed of 7.272 x 10-5 rads in its rotation. find the new angular speed if an asteroid m 1.12
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