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A 64.0 kilogram man stands on a lightweight diving board supported by two pillars, one at the end of the board, the other 1.10 meter away from the end. The pillar at the end of the board exerts a downward force of 755 Newton.
(a) Obtain how far from the pillar at the end of the board is the person standing?
(b) Evaluate the magnitude of the force exerted by the second pillar?
Water is flowing through a pipe (area 3.7 cm2) that connects to a faucet adjusted to have an opening of 0.45 cm2. what is its speed as it leaves the faucet
consider the possibility of a new design for an electric train. the engine is driven by the force on a conducting axle
Suppose you are in a high-speed boat moving at 19.4 m/s directly into approaching 1.07 m wavelength waves. What is the time interval between wave peaks hitting the boat
When a signal of intensity 3.0kWm-2 is applied at the input of an amplifier of length 10m, the output signal intensity is 36kWm-2. When the input intensity is reduced to 1.0kWm-2 the output is 20kWm-2.
Suppose a star with radius 8.30 108 m has a peak wavelength of 684 nm in the spectrum of its emitted radiation. Find the energy of a photon with this wavelength.
A 815-kg car stopped at an intersection is rear-ended by a 1740-kg truck moving with a speed of 13.0 m/s. find the final speed of both vehicles after the collision
A 1540.0 g mass is ona horizontal surface with μk = 0.31, andis in contact with a massless spring with a force constant of 787.0N/m which is compressed. When the spring is released, it does 2.52J of work on the mass while returning to its equilibr..
A hockey puck with mass 0.160kg is at rest on the horizontal, frictionless surface of a rink. What is the position of the puck at the end of that time
An electron traveling at 362 m/s enters a 9.5 T magnetic field. The angle between the velocity and the field is 56 degree. Compute the radius of the resulting circular path
A ceiling fan has five blades, each with a mass of 0.90 kg and a length of 0.66 m. what is the total rotational kinetic energy of the five blades
A skier who starts from rest reached a speed of 8.0m/s while goind down a ski slope for 5.0s. how far does the skier travel in this time
A 23 g ice cube at -4.6 oC is place in an aluminum cup whose initial temperature is 80.56 oC. What is the mass in grams of the cup
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