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A wheelbarrow 6.00 feet long is used to haul a 180 pound load. How far, in feet, from the wheel is the load placed so that a person can lift the load with a relatively small force of 45.0 pounds?
A certain orthodontist uses a wire brace to align a patient's crooked tooth, Find the magnitude (in Newtons) of the net force exerted by the wire on the crooked tooth
What is the temperature on the Fahrenheit scale of the normal boiling point of H20, if this temperature is 99.974°C?
Show that a projectile with mass m can "escape" from the surface of a planet if it is launched vertically upward with a kinetic energy greater than mgRp, where g is the acceleration due to gravity at the planet's surface and Rp is the planet's rad..
A hotel elevator ascends 110 {rm m} with a maximum speed of 4 {rm m/s}. Its acceleration and deceleration both have a magnitude of 1.20 {rm m/s^2}.
An aircraft with a mass 281 kg is accelerated at 9.1 m/s2 for 5 seconds, at which time the aircraft launches. Assume the acceleration is constant. What is the force required to launch the aircraft?
Why might society choose to redistribute resources from one group to another when doing so reduces the overall size of the economic pie?
A force of 12 N is applied to the handle of a screwdriver being used to pry the lid off a paint can. As the force moves through a distance of 0.3 m, the screwdriver does 3.2 J of work on the lid. What is the efficiency of the screwdriver?
Determine the force in each spring and the deflection of node A.
Assume two clowns on skateboards are standing motionless on a smooth surface 10.0 m apart. Clown B tosses a 5.0 kg medicine ball to clown A. The medicine ball is traveling with a speed of 7.5m/s.
A gas sample enclosed in a rigid metal container at room temperature (20.0oC) has an absolute pressure p1. Determine what the new absolute pressure p2
two shuffleboard disks of equal mass one orange and the other yellow are involved in a perfectly elastic glancing
In an old-fashioned amusement park ride, passengers stand inside a3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backsagainst the wall.
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