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A fire helicopter carries a 620 kg bucket of water at the end of a 20 m long cable. Flying back from a fire at a constant speed of 40.0 m/s, the cable makes an angle of 40 degrees with respect to the verical. determine the force exerted by air resistance on the bucket.
a 0.073 kg arrow is fired horizontally. the bowstring exerts an average force of 75 n on the arrow over a distance of
A fire hose 4 cm in diameter is capable of spraying water at a velocity of 20 m/s. For a continuous horizontal flow of water, what horizontal force should a fireman exert on the hose
You are assigned the design of a cylindrical, pressurized water tank for a future colony on Mars, where the acceleration due to gravity is 3.71 meters per second per second. Find the net downward force on the tank's flat bottom
A hiker's trip consists of three segments. Path A is 8-km long heading 60.0 degrees north of east. Path B is 7.0 km long in a direction due east. Path C is 4sa-km long heading 315 degrees counter clockwise from east. Graphically add hiker's displa..
What is the maximum number of dark fringes that will be produced on both sides of the central maximum if light (? = 619 nm) is incident on a single slit that is 5.27 × 10-6 m wide
A particle is located at the vector position r=(4.00i+6.00j)mand a force exerted on it is given by F=(3.00i+2.00j)N. What is the torque acting on the particle about the origin? Can there be another point about which the torque caused by thisforce on..
An organization that values employees who can assume new responsibilities quickly, enabling it thereby to readily accommodate changes in the demand for products, is most likely to consider which of the following traits the MOST advantageous?
A diamond has a mass of 56.6 g and the gold ring it is set in has a mass of 125.6 g. How many carbon atoms are there compared to gold atoms
What is the electric field strength between the disks. What is the speed of the box at the end of the 5.7-s interval.
The rms current in a copy machine is 5.26 A, and the resistance of the machine is 19.7?. find the peak power delivered to the machine
A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. The small wheel has a radius of 2.9cm and accelerates at the rate of 7.9rad/s^2 , and it is in contact with the pottery wheel (radiu..
a man can throw a ball a maximum horizontal distance of 142 m. the acceleration of gravity is 9.8 ms2 . how far can he
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