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A uniform diving board, of length 5.21 m and mass 50.4 kg, is supported at two points; one support is located L1 = 3.32 m from the end of the board and the second is at 4.89 m from the end. As shown in the figure below, L2 = 1.57 m. What is the force acting on the board due to the left support when a diver of mass 62.9 kg stands at the end of the board over the water? Assume that these forces are vertical.
What is the force acting on the board due to the right support when a diver of mass 62.9 kg stands at the end of the board over the water?
A basketball player grabbing a rebound jumps 70.80 cm perpendicularly. How much total time (ascent and descent) does the player spend (a) in the top 11.2 cm of this jump and (b) in the bottom 11.20 cm? Do your results describe why such players see..
Two people carry a heavy electric motor by placing it on a light board 2.90m long. One person lifts at one end with a force of 370N, What is the weight of the motor
question1a small steel ball bearing with a mass of 30.0 g is on a short compressed spring. while aimed vertically and
A spherical concave lens has a focal length of 20cm, and an object is placed 15cm from the lens. estimate of the image distance and give image characteristics
Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they walk away in different directions. Ricardo walks 24.0 in a direction 60.0 west of north. Jane walks 12.0 in a direction 20.0 south of west. They then ..
A roof-top solar water heater collects 50% of the 200 W/m^2 provided by the sun, using absorbers with a total area of 30m^2. If water enters the system at 15(C), how many hours will be required to warm 150kg of water to 60(C) using this heater? (Y..
A particular horizontal turntable can be modeled as a uniform disk with a mass of 230 g and a radius of 22.0 cm that rotates without friction about a vertical axis passing through its center
how to compute the fraction of silver in the crown.
The force on a string is 198 N and the string's linear mass is 1.9 kg/m. What is the speed of waves on the string
An object at rest explodes into three peices of equal mass. One moves east at 20 m/s; What is the velocity of the third piece
problem 1two horses pull horizontally on ropes attached to a stump. the two forces texttipvec f1f1vec 1230rm n and
The model airplane in Figure 5.7 is flying at a speed of 13.2 m/s on a horizontal circle of radius 17.9 m. The mass of the plane is 1.18 kg. What is the net work done on the plane
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