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A certain airplane has a speed of 290 kn/hr and is diving at an angle of 36 degrees below the horizontal when the pilot releases a radar decoy. The horizontal distance among the release point and the point where the decoy strikes the ground is d= 700m
a) How long is the decoy in the air?
b) How high was the release point?
A certain automobile manufacturer claims that its deluxe sports car will accelerate from rest to a speed of 44.5 m/s in 8.45 s. Determine the average acceleration of the car
A 4.6 kg object and a 13.0 kg object, both resting on a frictionless table, are associated by a mass less compressed spring. The spring is released and the objects fly off in opposite directions. The4.6-kg object has a velocity of8.0 m/s to the left...
Assume that if the shear stress in steel exceeds about4.00108N/m2, the steel ruptures. Determine the shearing force necessary to shear a steel bolt1.10cm in diameter
A wave traveling along the x axis is described mathematically by the equation y = 0.13sin(8.5πt + 0.50πx), Find what is the speed of the wave
A diathermy machine, used in physiotherapy, generateselectromagnetic radiation that gives the effect of "deep heat" whenabsorbed in tissue. What is the wavelength of this radiation
A coffee filter of mass 1.1 grams dropped from a height of 1 m reaches the ground with a speed of 0.5 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter? Start from the Energy Principle and select as system..
a bullet of mass m traveling with velocity v strikes and lodges in a wooden block of mass m. the block is initially at
f g.mmr2 where f is the gravitational force m and m are masses and r is a length. force has the si units kg middot
A juniper-wood plank measuring 0.36 ft by 1 ft by 15 ft is totally submerged in water. What is the buoyant force acting on it
A positive charge of 0.400 millicoulomb is located at Y=1.2m. Another positive charge, of 0.250 milllicoulomb, is at the origin. What is the electric field vector at the origin
A 55.5-kg ice skater is moving at 4.08 m/s when she grabs the loose end of a rope, Determine the force exerted by the horizontal rope on her arms
your roommate is working on his bicycle and has the bike upside down. he spins the 64 -diameter wheel and you notice
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