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A 20.0 kilogram toboggan with 69.9 kilogram driver is sliding down a frictionless chute directed 31.6 degree below the horizontal at 7.70 m/s when a 55.0 kilogram lady drops from a tree limb straight down behind the driver. If she drops through a vertical displacement of 2.00 meter, find what is the subsequent velocity of the toboggan immediately after impact? m/s
Calculate the linear momentum and angular momentum of a Frisbee of mass 0.126 kg if it has a linear speed of1.95 m/s and an angular velocity of 51.5 rad/s. Treat the Frisbee as a uniform disk of radius 13.5 cm.
A worker on top of a radar tower 21.8 ft high drops a wrench off the tower. What is the speed of the wrench when it hits the ground
We can roughly model a gymnastic tumbler as a uniform solid cylinder of mass 70.0kg and diameter 1.00m . A) If this tumbler rolls forward at 0.550 rev/s, how much total kinetic energy does he have? B) What percent of his total kinetic energy is ro..
An electron has an initial velocity of 3.00 multiplied by 106 m/s in a uniform 10.0 multiplied by 105 N/C strength electric field. How long does it take the electron to come to rest
The figure below shows a 6.2 kg rod of 1.00 m in length, hinged to a vertical wall and supported by a thin wire. The wire and rod each make angles of 45° with the vertical. When a 10.0 kg block is suspended from the midpoint of the rod, the tension T..
The power output of a sound system is increased by a factor of 25. By what factor should you adjust your distance from the speakers
Resistors of values 8, 12 and 24 Ohms are connected in parallel across a fresh battery with voltage 12 volts. Which resistor consumes the least power
A hotel elevator ascends 190 m with a least speed of 4.0 m/s. Its acceleration and deceleration both have a magnitude of 1.4 m/s2.
A crate with mass 32.0 kg initially at rest on a warehouse floor is acted on by a net horizontal force of 156N. What acceleration is produced
a 180 lb man and a 120 lb woman stand side by side at the same end of a 300 lb boat ready to dive each with a 16 fts
A beaker of mass 325 g is sitting on a table. The beaker is filled with 210 g of water. The beaker and water are initially in thermal equilibrium at 22 ?C, What is the specific heat of the beaker
in a football game a receiver is standing still having just caught a pass. before he can move a tackler running at a
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