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An airplane maintains a heading due west at an airspeed of 900km/h. Its flying through a hurricane with winds of 300km/h.
a) In which direction is the plane moving relative to the ground?
b) How long would it take the plane to fly from one city to another 500 Km away, along the path in a)?
A 9.58 m × 14.9 m house is built on a 14.2-cm-thick concrete slab. What is the heat-loss rate through the slab
A 60. kg student jumps from the 10. meter platform at EKU'sswimming complex in to the pool below. Determine her PEg at the top of the platform.
An ideal gas occupies a volume of 1.8 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container
Determine how far in front of the lens the object should be placed in order to produce an image that is reduced by a factor of 4.45
In an experiment on standing waves, a string 90 cm long is attached to the prong of an electrically driven tuning fork that oscillates perpendicular to the length of the string at a frequency of 60 Hz. What tension must the string be under if it is..
A ball of relatively low density is thrown upwards. Because ofair resistance the acceleration while traveling upwards is-10.8m/s2. On its trip downward the resistance is in theopposite direction and the resulting acceleration is-8.8m/s2.
you are traveling in a convertible with the top down. the car is moving at a constant velocity 25.5 ms due east along
The maximum compressional stress that a bone can withstand is 1.6 x108 N/m 2 before it breaks. A thighbone (femur), which is thelargest and longest bone in the human body, has a cross sectionalarea of 7.7 x 10-4 m2.
A 1800 kg pile driver is used to drive a steel I-beam into the ground. calculate the average force the beam exerts on the pile driver while the pile driver is brought to rest
two blocks are connected by a massless string which passes through a hole in a frictionless table. the blocks have
A pendulum sweeps out an angle of 12.5° during its motion. How far does the pendulum bob (the ball at the end of the rope) travel
How numerous years would it take a thermally insulated one-million-kilogram chuck of granite to undergo a 1000k boost in temperature?
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