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Shooting the Sun with a sextant, the first mate on a ship measures the altitude of the noonday Sun to be 35° toward the north on May 20. What is the latitude of the ship? (Solve both graphically and using Eq. 15.1.)
question1a dock worker loading crates on a ship finds that a 22 kg crate at first at rest on a horizontal surface
a 750g mass traveling at 8m/s undergoes a head on elastic collision with a 50g mass traveling towards it at 8m/s. What is the speed of the 50g mass after the collision
A 20.2 kilogram boy descends a slide 3.1 meter high and reaches the bottom with a speed of 2.1 m/s. Find how much thermal energy due to friction was generated in this process
there are four charges each with a magnitude of 1.88 microc. two are positive and two are negative. the charges are
A bicycle rider has a drag area of 0.28 m2. She is riding at a velocity of 9 meter per second along the road and the air density is 0.98 kg/m3. Obtain what power must the cyclist produce to maintain the speed of 9 m/s
The refractive index of a transparent material can be determined by measuring the critical angle when the solid is in air. If ?c= 42.0° what is the index of refraction of the material?
At highway speeds, a particular automobile is capable of an acceleration of about 1.8 m/s2. At this rate, How far does the car move while accelerating
A golf ball is driven from a level fairway. At a time of 5.32 s later, the ball is traveling downward with a velocity of 55.2 m/s at an angle of 26.0° below the horizontal. Neglecting air resistance, calculate the initial velocity (magnitude and dire..
A bullet is fired through a board 9.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. Find the total time the bullet is in contact with the board
Calculate how far from the siren a person, with a threshold of hearing of 25.0 dB at that frequency, can be located to barely be able to hear the sound from that siren.
A moon orbits a planet of unknown mass with a period of 1.8 days. If the radius of the moon's orbit is 420,000,000 m, Compute the mass of the planet
A potter's wheel of radius 0.14 meter is turned on at t = 0 and accelerates uniformly. Obtain the angular acceleration and the total angular displacement
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