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Q1. Snoop, in hot pursuit of the Red Baron, is flying his vintage warplane in a "loop-the-loop" path. His instruments tell him that plane is level (at the bottom of the loop) and travelling at a speed of 180km/h. He is sitting on a set of bathroom scales. He notes that scales show four times his normal weight. What is the radius of the loop, in meters?
Q2. Richard, mass 75 kg, and Carmelita, who is lighter, are enjoying Lake Merced at dusk in a 35 kg canoe. When the canoe is at rest in the placid water, they exchange seats, which are 3.0 m apart and symmetrically located respecting the canoe's center. Ricardo notices that the canoe moved 45 cm relative to a submerged log throughout the exchange and calculates Carmelita's mass, which she has not told him. What is it?
Which of the planets fits the following description: "a solid, cool surface, with occasional dust clouds and a thin CO2 atmosphere".
What is the magnitude of the current in the wire as a function of time?
A 1.20 liter flask contains a certain quantity of ideal gas at 305 K. after that an equal number of molecules of the same gas are added to the flask, after which the absolute pressure is 1.30 times its unique value. What is the final temperature.
What is the speed of crate hit ground
A simple harmonic oscillator consists of the block of mass 1.90 kg attached to a spring of spring constant 196 N/m. while t = 3.00 s, position and velocity of the block are x = +0.129 m and v = +3.415 m/s.
Establish the temperature at the interface
A curve of radius 40 m is banked for a design speed of 100 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely create the curve?
A dockworker applies a constant horizontal force of 84.0\({\rm N}\) to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 12.5\({\rm m}\) in a time 4.80\({\rm s}\)
How much work is completed on the box by the applied force
Introductory Mechanics: Calculate the smallest coefficient of static friction
What is EMF in the secondary circuit
Calculate torques about an axis
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