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A boat travels between three islands. It sails from the first island to the second, 4.10 km away, in a direction 37.0° north of east. It then sails from the second island to the third island in a direction 70.0° west of north. Finally, it returns to the first island, sailing in a direction 28.0° east of south.
(a) Calculate the distance between the second and third islands.
(b) Calculate the distance between the first and third islands.
You want to practice zero g, i.e. not feeling any gravity. What velocity (ft/s) is required to cancel gravity at the top of the circle
a box of mass 4 kg is resting on a table 1.5 m above the floor. there is also a ledge located 5 m above the floor.
Explain the phenomenon of resonance. Use the phase of the interfering waves to determine the conditions for and location of constructive and destructive resonance
A singly charged ion of mass m is accelerated from rest by a potential difference ?V. It is then deflected by a uniform magnetic field (perpendicular to the ion's velocity) into a semicircle of radius R. What is the ratio of the masses of the ions
Two friends are playing a version of proton golf where the hole ismarked by a single proton. The first friend reads his meter, anddeclares he has a field strength of 25.5 N/C. Thesecond friend looks at her meter and realizes she is three times asfar ..
A child goes down a playground slide that is inclined at an angle of 25.0° below the horizontal. Find the acceleration of the child
A string 120 cm long with a linear mass density 10^-2 kg/m is stretched to a tension of 36 N. The string is attached between two walls and when plucked forms a standing wave with 3 antinodes. Find the frequency of vibration. A standing wave pattern c..
A generator connected to an RLC circuit has an rms voltage of 140V and an rms current of 34 mA. If the resistance in the circuit is 3.0k? and the capacitive reactance is 6.5 k? what is the inductive reactance of the circuit?
A camera has a lens with a focal length of 29.4 cm. When an object is placed 3.95 meters away is being photographed, how far from the film should the lens be placed
A medicine ball is thrown at Bob (who is standing still). The medicine ball weighs 6kg and Bob weighs 82.50 kg. What was the velocity of Bob and the ball after the catch
An RLC circuit is driven by a generator with an emf amplitude of 86.3 V and a current amplitude of 1.50 A. The current leads the emf by 0.516 rad. What are the (a) impedance and (b) resistance of the circuit?
A glass window 0.45cm thick measures 90cm by 35cm . If the inside and outside temperatures differ by 18?, By what factor is the rate of heat transfer reduced
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