How are rocks and soil formed
How are rocks and soil formed?
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A plane, diving with constant speed at an angle of 50.0° with the vertical, releases a projectile at an altitude of 830 m. How far did the projectile travel horizontally during its flight?
A 1800 kg car rounds a curve of radius 70 m banked at an angle of 12°. If the car is traveling at 86 km/h, will a friction force be required?
If a 50 kg cannon ball is shot horizontally from a cannon at a speed of 80 m/s, what is its kinectic energy in joules?
A 20 kg loudspeaker is suspended 2.2 m below the ceiling by two 3.0-m-long cables that angle outward at equal angles. What is the tension in the cables?
How are rocks and soil formed? How are rocks and soil formed?
Explain why the wind direction in the lowest 1 km of the atmosphere backs with increasing height on that day. (HINT: Consider the force balances at the surface and at 1 km)
A Toyota Prius driving north at 61.0 {rm mph} and a VW Passat driving south at 41.0. What is the velocity of Toyota Prius relative to the VW Passat when they are 250 apart, just before they meet?
A worker stands still on a roof sloped at an angle of 21° above the horizontal. He is prevented from slipping by a static frictional force of 400 N. Find the mass of the worker.
A beam of light is diffracted by a slit of width 0.600 mm. the diffraction pattern forms on a wall 2.00 m beyond the slit. the distance between the positions of zero intensity on both sides of the central bright fringe is 4.00 m. Calculate the ang
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