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A bridge of length 35 m and mass 1.2 x 105 kg is supported at each end. A truck of mass 30600 kg is located 17 m from the left end.
What is the force on the bridge at the left point of support? The acceleration of gravity is 9.8 m/s2 . Answer in units of N.
A 1.5g bullets is fired through a 28.0kg block traveling horizontally toward the bullet. Find the magnitude of the force that the bullet exerts
The blades of a 60 cm diameter fan spin at a rate of 25 rotations per second (25 Hz). Point A is on the end of one of the blades, and point B is 15 cm from the end of one of the blades. Find the angular velocity
On a hot summer day in the state of Washington while kayaking, I saw several swimmers jump from a railroad bridge into the Snohomish River below. How fast were the swimmers moving when they hit the water
A rock is dropped into a deep hole and 1.6 s later the sound of striking the bottom is heard. what is the depth of the hole
A liquid with a density of 55 lbs/cubic ft is traveling through a pipe at a velocity of 115 ft/sec and its static pressure is 15 psi, what is its total head in ft
A geologist finds that a moon rock whose mass is 8.08 kilogram has an apparent mass of 5.12 kilogram when submerged in water. Evaluate what is the density of the rock
question a 10 kg block of ice has a temperature of -8degc. the pressure is one atmosphere. the block absorbs 4.20 106 j
A 2.0kg wood block is launched up a wooden ramp that is inclined at a 33 angle. The block's initial speed is 14. What speed does it have when it slides back down to its starting point
Calculate the moment of inertia and the rotational kinetic energy for the following objects spinning about a central axis
find the maximum height reached by a body of mass 5 kg thrown with a speed of 10 m/s. take g= 10 m/s^2. find also the work done in reaching that height
my kids came up with a form of tether ball where they attached a ball to a string and let it swing around the role.
Two charges, +4.0 and -16 µC, are fixed in place and separated by 3.0 meter. Find what would be the force on a charge of +14 µC placed at this spot
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