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A airplane model is being flown on a guideline that can sustain at most 180 Newton of tension. The mass of the plane is 0.75 kilogram, and it's speed is 28 m/s. Suppose that the guideline is nearly parallel to the ground, find the radius of the smallest horizontal circle in which plane can be flown?
in a movie tarzan evades his captors by hiding underwater for many minutes while breathing through a long thin reed.
A cube with the side length 1.53 meters of solid styrofoam is completely submerged in fresh water such that the top of the styrofoam block is parallel to the water surface and is 2.55 meters beneath the surface
The radius of the moon is 1.74 × 106 m, the radius of the sun is 6.96 × 108 m, the average moon-earth distance is 3.84 × 108 m, and the average sun-earth distance is 1.496 × 1011 m. What is the apparent angle the diameter of the moon subtends, ..
A gyroscope with rotational inertia 6.4 10-3 kg·m2 is precessing in a horizontal plane at 0.46 rad/s under the influence of a 0.34 N·m torque caused by a force pointing vertically downward
an electric vehicle starts from rest and accelerates at a rate of 2.3 ms2 in a straight line until it reaches a speed
A 194 N force is needed to slide a box across a flat surface at a constant velocity. What is the coefficient of kinetic friction between the box and the floor. (Use g = 9.8 m/s2.)
To celebrate a victory, a pitcher throws her glove straight upward with an initial speed of 6.5 m/s, How long does it take for the glove to return to the pitcher
Two forces act on a 10 kg box. One is directed to the right with a magnitude of 10 N. What is the velocity of the box after moving 5 meters
A mass-less pan hangs from a spring that is suspended from the ceiling. When empty, the pan is 51 cm below the ceiling. What is the pan's distance from the ceiling
using your knowledge of statics discuss briefly why the magnitude and direction of the knee reaction force varies with
A rock is shot vertically upward from the edge of the top of a tall building. The rock reaches its maximum height above the top of the building 1.30 s after being shot. find With what upward velocity was the rock shot
You send a beam of light from a material with index of refraction 1.19 into an unkown material. What is the index of refraction of the unknown material
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