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The trap-jaw ant can snap its mandibles shut in as little as 1.6 x 10-4 s. In order to shut, both mandibles rotate through a 87° angle. What is the average angular velocity of one of the mandibles of the trap-jaw ant when the mandibles snap shut?
To stop a car, first you require a certain reaction time to begin braking; then the car slows under the constant braking deceleration. What is your reaction time
Four or five gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. Use the following specific heat capacity data to resolve which block will increase its temperature the most.
It is possible to produce artificial gravity on a space station by having the station rotate. Explain how this would work. What would be some benefits and drawbacks to this approach?
You are asked to design a robot that can right itself once it is left to free-fall. Bioinspired from a cat, specify the hardware components and the minimum number of body segments that are needed to achieve this task. Qualitatively state the “rela..
A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. How much of the rope unwinds in this time interval
A 270 g ball at the end of a string is revolvinguniformly in a horizontal circle of radius 0.51 m. The ball makes1.7 revolutions in one second. What is the speed of the ball as itgoes around in the circle?
At time t=0, a 2650kg rocket in outer space fires an engine that exerts an increasing force on it in the + x direction. What impulse does the engine exert on the rocket during the 1.50s interval starting 2.00s after the engine is fired
Water has the following thermodynamic constants: (1) specific heat liquid = 4.18 J/g °C, solid = 2.09 J/g °C, gas = 1.89 J/g °C, (2) heat of fusion = 334 J/g, and (3) heat of vaporization = 2257 J/g. how much heat is required to melt the sample
What is the distance between the two traps?
the dielectric constant for polystyrene filling is 2.5. a coaxial cable consists of a cylindrical metal sheath with
An airplane flies between two points on the ground that are 500 km apart. The destination is directly north of the origination of the flight. The plane flies with an air speed of 120 m/s.
A positively charged particle of mass 6.20 10-8 kg is traveling due east with a speed of 30 m/s and enters a 0.41 T uniform magnetic field. What is the magnitude of the charge of the particle
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