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To what temperature (in degrees Celsius) will 67,379 J of heat raise 0.6 kg of water that is initially at 10.0 degrees Celsius?
A steel ball is dropped onto a hard floor from a height of 1.25 m and rebounds to a height of 1.16 m. (Assume that the positive direction is upward.) Calculate its velocity just before it strikes the floor
The horizontal component Fx is shown by the histogram below as function of position along x-axis. There is also a kinetic frictional force of 0.50 N between mass and surface.
The 14C atom undergoes an explosion and decays into a nucleus, an electron, and a neutrino. From this determine the speed of the recoiling nucleus
the armature of an ac generator has 100 turns. each turn is a rectangular loop measuring 8.0 cm by 12 cm. the
A skater is initially spinning at a rate of 13.1 rad/s with a rotational inertia of 2.54 kg·m2 when her arms are extended. What is her angular velocity after she pulls her arms in and reduces her rotational inertia to 1.64 kg·m2?
An 8000-kg freight car rolls along rails with negligible friction. The car is brought to rest by a combination of two coiled springs.
If the spring is pulled until it stretches 2.40cm and the pack remains at rest, what is the force of friction exerted on the backpack by the table
A grating has exactly 7800 lines uniformly spaced over 2.63 cm, What is the expected angle for the third-order maximum of the green line
q1. in the atwood machine shown below m1 2.00 kg and m2 8.00 kg. the masses of the pulley and string are negligible
A hiker's trip consists of three segments. Path A is 8-km long heading 60.0 degrees north of east. Path B is 7.0 km long in a direction due east. Path C is 4sa-km long heading 315 degrees counter clockwise from east. Graphically add hiker's displa..
Find the location of the center of mass of a nonuniform rod0.38 m in length if its density varieslinearly from 0.92 g/cm at one end to5.30 g/cm at the other end. Specify thecenter-of-mass location relative to the less-massive end of therod.
A boy uses this string to whirl a 10-kg stone in a horizontal circle of radius 10 m. The boy continuously increases the speed of the stone. At approximately illustrate what speed will the string break?
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