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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?
question a microphone is located on the line connecting two speakers that are 0.600 m apart and oscillating 180 degrees
A 38.0-kg child swings in a swing supported by two chains, each 2.90 m long. The tension in each chain at the lowest point is 418 N. Find the child's speed at the lowest point
A 4 kg uniform cylinder is released at the top of a 1.54 m 24° incline. What is its velocity when it reaches the bottom
Consider a wet roadway banked as in Example 5.24, where thereis a coefficient of static friction of 0.30 and a coefficient ofkinetic friction of 0.25 between the tires and the roadway. What is the minimum speed the automobile can have before slidin..
A ray of light consisting of two colors (red and blue) is incident normally on the face of a small equilateral prism. What is the distance between the two colors on the screen
A particle is connected between two springs on a frictionless, horizontally level track. determine what is the mass of the particle
Geosynchronous satellites orbit the Earth at a distance of 4.217 × 107 m from the Earth's center. What is the weight of a 1750-kg satellite at this distance
An electron confined in a one-dimensional box is observed, at different times, to have energies of 32.5 eV, 57.8 eV, What is the length of the box
a point charge with q1 2.8 c is located at x ?3.0 m y 0 and a second point charge with q2 4.4 c is at x 1.0 m y
a uniform solid sphere of radius 0.491 m and mass 14.0 kg turns counterclockwise about a vertical axis through its
An elevator cable breaks when a 975 kg elevator is 24.5 m above the top of a huge spring (k = 8.00 x 10^4 N/m) at the bottom of the shaft. Calculate the speed of the elevator just before striking the spring
A mass-spring system oscillates with an amplitude of 5.40 cm. If the spring constant is 239 N/m and the mass is 474 g, Determine the maximum acceleration of the object
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