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Assume a gliding bird is caught in an updraft so that it ascends at a steady rate, in this situation, which has greater magnitude; the force of gravity or the upward force of the air on the bird.
An 845-N sled is pulled a distance of 186m. The task requires 1.2 multiplied by 104 J of work and is done by pulling on a rope with a force of 133-N. At what angle is the rope held.
1- if an area is described as a good air mass source region what information can you give about it?2- it is summer.
A series combination of a 8 kΩ resistor and an unknown capacitor is connected to a 13 V battery. Determine the capacitance of the capacitor
A freight car with a mass of 2500 kg rolls down an inclined track through a vertical distance of 1.5m. at bottom of the incline, on a level track, the car collides and couples with the identical freight car that was at rest. What percentage of th..
A 17.6kg dog is running northward at 2.87m/s , while a 6.33kg cat is running eastward at 3.99m/s. Find the direction of the owner's velocity
A crate of eggs is located in the middle of the flatbed of a pickuptruck as the truck negotiates an unbanked curve in the road. Thecurve may be regarded as an arc of a circle of radius 50 m. If thecoefficient of static friction between the crate and ..
question about simple harmonic motion shm is wronga.the restoring force is linear the net force is toward the
1 using what you know about electricity hypothesize about how series resistors would affect current flow. what would
A track athlete running at fast pace had an instantaneous resultant force of 2800 N acting through the heel during heel strike, what were the horizontal and vertical forces acting on the heel
An optometrist prescribes contact lenses that have a focal length of 50.0cm. (a) Are the lenses converging or diverging? (b) Is the person who wears them near-sighted or far-sighted?
A trap door, of length and width 1.55 m, is held open at an angle of 65.0° with respect to the floor. what is the torque exerted on the trap door by the rope
A 0.09 kg arrow is pulled back in a bow. After being held still, it is let go, moving 25m/s after the 0.47 meters in which the arrow is in contact with the bow string. What work was done on the arrow by the bow string? What force was exerted by the a..
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