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Two airplanes taxi as they approach the terminal. Plane 1 taxies with a speed of 13m/s due north. Plane 2 taxies with a speed of 8.5m/s in a direction 20 north of west.
What is the direction of the velocity of plane 2 relative to plane 1?
What is the magnitude of the velocity of plane 1 relative to plane 2?
What is the direction of the velocity of plane 1 relative to plane 2?
What are the magnitudes of the velocity of plane 2 relative to plane 1?
Tarzan spies a 40kg chimpanzee in severe danger, so he swings to the rescue. He adjusts his strong, but very light, What are the frequency of Tarzan's swing
An ideal spring with a stiffness of 379N/m is attached to a wall, and its other end is attached to a block that has a mass of 16-kg. The spring/block system is then stretched away from the spring's relaxed position until 59J of mechanical potentia..
A 100g ball on a 50 cm long string is swung in a vertical circle about a point 200 cm above the floor. obtain the tension in the string an instant before it broke
A lottery machine uses blowing air to keep 2000 Ping-Pong balls bouncing around inside a 1.0m X 1.0m X1.0m box. The diameter of a Ping-Pong ball is 3.0 cm. What is the mean free path between collisions?
A 10-kg projectile launched over level ground has three times the kinetic energy at the moment of its launch as it does at its peak height. Find its impact velocity
A 0.25 kg skeet (clay target) is fired at an angle of 28 degrees to the horizon with a speed of 25 m/s.
1. in the experiment you will be using the speed of sound in your metal bar to help determine the youngs modulus of
A lead bullet with a mass of 0.02 kg traveling at 209 m/s strikes an armor plate and comes to a stop. what is the temperature change
you place a small lightbulb 70 cm from a concave mirror and find a real image 17 cm from the mirror. where should you
the coefficient of static friction for aluminum on steel is 0.61 and for copper on steel is 0.53. an aluminum block of
When the block just touches the spring, how much gravitational potential energy has it lost? Give your answer as a positive number. After the mass has fully compressed the spring, what is its total loss of gravitational potential energy? Give your an..
A generator connected to an RLC circuit circuit has an rms voltage of 120 V and an rms current of 34 mA. what is the inductive reactance of the circuit
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