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A diving board of length L = 3.00m is supported at a point a distance 1.00m from the end, and a diver weighing 530N stands at the free end. The diving board is of uniform cross section and weighs 295N.
A) Find the force at the support point.
B) Find the force at the end that is held down.
An athlete at the gym holds a 3kg steel ball in his hand. His arm is 70 cm long and has a mass of 4kg. What is the magnitude of the torque about his shoulder
A person of mass 75 stands at the center of a rotating merry-go-round platform of radius 2.8 and moment of inertia 920. The platform rotates without friction with angular velocity 1.78. The person walks radially to the edge of the platform. Compute a..
A heat engine takes in 1000 J of energy at 1000 K and exhausts 615 J at 200 K. What are the actual and maximum theoretical efficiencies of this heat engine
A person stands at a point P relative to two plane mirrors oriented at 90°. How far away do the person's images appear from each other to the viewer? (Let d = 5.0 m.
The brakes are applied to a car traveling on a dry, level highway. A typical value for the magnitude of the car's acceleration is 5.45 m/s2. If the car's initial speed is 33 m/s, how long does it takes to stop and how far does it travel, starting ..
You spray your sister with water from a garden hose. The water is supplied to the hose at a rate of 0.437 × 10-3 m3/s, At what speed does the water exit the nozzle
The mass of the Moon is 7.18X10^22 kg and radius is 1738 km. If your mass is 90 kg, what would be your weight (gravitational force of attraction) on the Moon
The smallness of the critical angle ?c for diamond means that light is easily "trapped" within a diamond and eventually emerges from the many cut faces. What is the critical angle for total internal reflection
A cylinder of a car's enginehas a volume of .725 L when the piston is at the bottom of the cylinder.When the piston is at the top of the cylinder it has a volume of 0.050 L.If the cylinder is filled with air at a pressure of 1 atm when the pistonis a..
A water filled pipe has water flowing at 5.70 m/s in a section of pipe where the diameter is 19.2 cm, What is the volume flow rate through the smaller pipe
A projectile is fired with an initial speed of 113 m/s at an angle of 60 degrees above the horizontal, from the top of a cliff which is 49.0 meters high. determine time to reach maximum height
As you think about it, you're not sure he threw the ball exactly horizontally, What is the range of speeds with which the ball might have left his hand, Enter the minimum and the maximum speed of the ball
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