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A helicopter is flying horizontally at a speed of 60 m/s and accidentally drops a storage pod from an elevation of 300 m. Neglect air resistance, find how long does it take for the storage pod to hit the ground and calculate the total distance the storage pod covers horizontally just before it hits the ground?
A laser is used in eye surgery to weld a detached retina back into place. The wavelength of the laser beam is 470 nm, while the power is 2.2 W. how many photons are emitted by the laser
A 200 pF capacitor is charged to 120 V, Calculate the maximum energy stored in the magnetic field of the inductor as the circuit oscillate
A car misses a turn and sinks into a shallow lake to adepth of 14.4 m. If the area of the car door is 0.40 m2, what is the force exerted on the outside of the door by the water?
A student (m= 75 kg) falls freely from rest and strikes the ground. throughout the collision with ground, he comes to rest in a time of 0.040 s. the average force exerted on him by the ground is +18 000 N.
Two vectors A and B are given by A=5i + 6j + 7k and B=3i - 8j+ 2k. what is the angle between the two vectors
What is an average speed of the runner
An underwater scuba diver sees the Sun at an apparent angle of 26? from the vertical. What is the Sun's angle of inclination
on october 21 2001 ian ashpole of the united kingdom achieved a record altitude of 3.35 km 11 000 ft powered by 600 toy
A camera has a lens w/ a 52 mm focal length and a sensor array that measures 4.82mm x 3.64 mm, If you want the giraffe to fit the longer dimension of sensory array how far away from the animal will you have to stand
a 5.0m long ladder leans agaisnt a wall, touching it at a point 3.8 above the ground. the ladder is uniform with a mass of 15kg. the was is frictionless. what is the vertical normal force acting on the ladder
A disk with a rotational inertia of 5.6 kg?m2 and a radius of 0.53 m rotates on a frictionless fixed axis perpendicular to the disk, The angular acceleration of the disk in rad/s2 is:
Two identical cars, one stationary and the other driving toward the stationary one at 45 m/s, what is the beat frequency each driver hears
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