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An insect is trying to walk on a turntable, and with respect to theturntable its motion is a constant speed vodirectly away from the center. Find the force (magnitude anddirection) that the turntable must exert on the insect. Thecoefficient of static friction isμs. At what point will the insect start to slip?
When the Sun evolves to the red giant stage its radius may increase to as high as 100 solar radii. Using the expression density = Mass/volume, and assuming the mass doesn’t change, by what factor does the Sun’s density change when it expands to the r..
Police determine skid marks 83 m long on the highway showing where the car made an emergency stop. Assume that the acceleration was -10 m/s2 (about the highest for dry pavement), how fast was the car going.
A 78 ohm resistor is connected in series with a 275 mH inductor and a 1 micro farad capacitor. Find the effective voltage V rms across the capacitor
if mars orbital period is (time for one orbit around the sun) is 1.886 earth years, what is the average speed of mars around the sun
The Mariana trench is located in the Pacific Ocean at a depth of about 11 000 m below the surface of the water. For comparison, determine the weight of a jetliner whose mass is 6.01 × 105 kg
A uniform drawbridge must be held at a 37 degree angle abovethe horizontal to allow ships to pass underneath. Find the magnitude and direction of the force the hingeexerts on the bridge
If the pressure of the 1.2-cm3 volume is reduced to 3.0 × 10?11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
Three point charges are placed at the corners of an isosceles triangle. At the left and right end points of the base are 6 micro coulomb and 6 micro coulombrespectively, What is the magnitude of the electric field at the midpoint of the baseline
The period of oscillation of an object in a frictionless tunnel running through the Earth is 84.3 min. What is the time of oscillation of an object in a similar tunnel on the Moon.
A green ball is thrown vertically downward to the ground with an initial speed of 5m/s, at time t = 0, from a vertical height of 100m above the ground. find the magnitude and direction of velocity of the red ball
a wire of initial length l0 and radius r0 has a measured resistance of 1.0 . the wire is drawn under tensile stress to
The Earth has mass ME and average radius RE. Find an expression for the moment of inertia IE of the Earth on its axis in terms of the given parameters
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