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You are in a radar station on the coast. You are monitoring the motion of two ships. The Pequod is 4.00 km away, 17 degrees west of north, traveling at 7.40 m/s in the direction 39 degrees east of north. The Jeroboam is 6.00 km away, 47 degrees east of north, traveling at 2.50 m/s in the direction due north. What is the velocity (speed and direction) of the Jeroboam seen by Captain Ahab, who is on the deck of the Pequod?
What is the speed of the Jeroboam seen by Captain Ahab?
m/s
Two cars are travelling on a dirt road between 3 consecutive poles after 5.40s they are side by side at next telephone pole. The distance between the poles is 66.30m.
Science is about collecting data. What kind of data do you think you will collect in Physics 320 class? What kind of data will you collect about heat
In one form of plethysmograph (a device for measuring volume), a rubber capillary tube with an inside diameter of 1.22 mm is filled with mercury at 20°C, Calculate the resistance of the mercury
In the Bohr model of the hydrogen atom, an electron in the 7th excited state moves at a speed of 4.47 104 m/s in a circular path having a radius of 2.59 10-9 m
Most of the motion generated by joints in the human body are examples of levers. An example of a third class lever is the forearm, what force is exerted by the biceps muscle
What is the maximum rate of rotation. A moving electron passes near the nucleus of a gold atom, which contains 79 protons and 118 neutrons. At a particular moment electron is a distance of 7.5 x10 ^9 m from the gold nucleus.
Two loudspeakers in a plane, 5 m apart, are playing the same frequency. If you stand 14 m in front of the plane of the speakers, What is the frequency of the sound
a red car and a green car move toward each other in adjacent lanes and parallel to an x axis. At time t = 0, the red car is at xr = 0 and the green car is at xg = 211 m, What are the acceleration of the green car
A drug prepared for a patient is tagged with 9943Tc, which has a half-life of 6.05 h. What is the decay constant of this isotope
The rotational velocity of a merry-go-round increases at a constant rate from 0.6 rad/s, What is the rotational acceleration of the merry-go-round
spy planes fly at extremely high altitudes (25.5 km) to avoid interception. what must be the minimum aperture of the camera lens to afford this resolution
An aircraft weighing 803 N is accelerated at 10 m/s2 for 9 seconds, at which time the aircraft launches. How much work was done on the aircraft
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