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Q. Three forces are applied to a tree sapling, to stabilize it. If F1= 282 N and F2= 355 N, find F3 in magnitude and direction. The angle between F1 and F2 is equivalent to 110 degrees.
Q. A tank of water sits at the edge of a table of height 2.20 m. The tank springs a very small leak at its base, and water sprays out a distance of 2 m from the edge of the table. What is the water level h in the tank?
A yo-yo has a rotational inertia of 910 g·cm2 and a mass of 120 g. Its axle radius is 3.8 mm and its string is 100 cm long. The yo-yo is thrown so that its its initial speed down the string is 1.1 m/s.
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A ship has a mass of 40000 kg. its energy gives it an acceleration of 0.27 m/s while it travels a distance of 105 meters from rest. what force does the engine exert on the ship.
Create a graph of x-position, x-velocity, and x-acceleration versus time and a graph of y-position, y-velocity, and y-acceleration versus time.
You can ignore friction between the sled and surface of the pond. Use the work-energy theorem to find the speed of the sled at 3.00 m.
What is decrease in kinetic energy throughout the collision.
The leg and cast weigh 220 N. find out the weight and the angle needed so that no force is exerted on the hip joint by the leg plus the cast.
What is the resultant velocity of the motor boat. What distance downstream does the boat reach opposite shore.
A 124 balloon carrying a 22 basket is descending with a constant downward velocity of 25.2. A 1stone is thrown from the basket with an initial velocity of 19.9 perpendiculars to the path of the descending balloon.
What least horsepower must a motor have to be able to drag a 320 box along a level floor at a speed of 1.10 if the coefficient of friction is 0.50.
A calorimeter contains 2000 grams of water at 0oc. a jet of stream at 100oc is passed through the water. What is the temperature of the water when 100 grams of steam have condensed in it.
Speedy Sue, driving at 34.0m/s, enters a one-lane tunnel. She then observes a slow-moving van 175m ahead traveling with velocity 5.40 m/s. Sue applies her brakes but can accelerate only at 2.00 m/s2 since the road is wet. Will there be a collision..
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