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An airplane pulls a 24 kg banner on a cable as depicted in the figure below. When the plane has a constant cruising velocity the cable makes an angle of ? = 26°. A) What is the drag force exerted on the banner by the air? B) The weather changes abruptly and the pilot finds herself in a 20 minute rain storm. After the storm she finds that the cable now makes an angle of ?water = 35°. Assuming the velocity and drag force are the same after the storm, what is the mass of the water absorbed by the banner's fabric during the storm?
In a physics lab experiment, a student immersed 201 one cent coins (each having a mass of 3.00) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.240 of water at 20 in an insulated contai..
Ignoring the mass of the spring, what is the mass of the fish?
Two charged bodies exert a force of 0.790N on each other. If they are moved so that they are one-fourth as far apart, what force is exerted.
What is the value of the static friction.
At what angle do the equipotentials intersect the edge of the conduction paper? why? Hint: the electric current flow at any point is in the direction of any directly proportional to the electric field vector.
The person in the middle weighs 190 N, and the tensions in each rope are 200-N. What is the weight of the staging.
Starting in the spring, fruit begins to grow on the outer end of a branch on a pear tree. Define how the center of gravity of the pear growing branch shifts all through the course of the summer.
illuminate the object with the flashlight. One way to produce artificial gravity in a space station is to spin it.
A 30-06 caliber hunting rifle fires a bullet of mass 0.0122 kg with a velocity of 247 m/s to the right. The rifle has a mass of 3.2 kg. What is the recoil speed of the rifle as bullet leaves the rifle.
A horizontal desk surface measures 2.08 m x 1.73 m. If Earth's magnetic field has magnitude 0.495 mT and is directed 64.8° below horizontal, what is the magnetic flux through the desk surface.
If the maximum acceleration vehicle's brakes are capable of is -6.00 m/s2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer.
What speed limit should be posted for the curve. How long (in {rm ns}) does it take light incident vertical to the glass to pass through this 9.0 {rm cm}-thick sandwich.
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