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The belt passing over the pulley is subjected to two forces F1 and F2 , each having a magnitude of 40N . F1 acts in the direction -k. Replace these forces by an equivalent force and couple moment at point A. Express the result in Cartesian vector form. Take theta = 45 (deg). r=80mm, 300mm from A. a)Determine the magnitude of the resultant force. b)Determine the moment of the resultant forse about the point A.
A 1 m long pedulum with a 2kg mass is pulled back 0.1m and after that released, so that it swings back and forth. How did they solve T= 2.007 seconds.
2.5 kg of water undergoes an isothermal, reversible process beginning at 100°C, saturated liquid and ending at 1.0 MPa. Find the change in specific entropy of the water
Driving home from school one day you spot a ball rolling out into the street. You brake for 1.10 s, How far did you travel while braking
question the equation for the spherical wave front of a light pulse that begins at the origin at time t0 is
Planet X is 307 times more massive than Earth, and its radius is 10.8 times Earth's radius. How many times more would you weigh on Planet X
An unmarked police car, travelling a constant 94 km/h, is passed by the speeder travelling 153 km/h. precisely 0.70 s after the speeder passes, policeman steps on the accelerator. If the police car's acceleration is 2.30 m/s^2, how much time elapses ..
A bullet with a mass of 4.0 g and a speed of 650 m/s is fired at a block of wood with a mass of 0.095 kg. What is the speed of the bullet when it exits the block
The lens and mirror are separated by d = 1.00 m and have focal lengths of +80 cm and -50 cm, respectively. An object is placed p = 1.00 m to the left of the lens as shown.
4.3 moles of Hydrogen gas initially at Standard Temperature and Pressure. The gas is heated to a temperature of 49°C while being kept at constant pressure. What is the new volume of the gas after it is heated
The Millenium Falcon is chased by the Imperial Forces. The ship is moving at a speed of 0.549 c. What is the velocity of the protons in the resting frame when the cannon is shot in the backward direction
A ship sets sail from Rotterdam, The Netherlands, heading due north at 5.00 m/s relative to the water. What is the velocity of the ship
A laser produces a 5.10mW beam of light, consisting of photons with a wavelength of 637.8nm. How many photons are emitted by the laser each second
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