Determine the tension in the cables
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?
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Which of the following is true about water droplets in clouds?
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?
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.
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