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Question1
Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows location of the first team as 38 km away, 17 ° north of west, and the second team as 27 km away, 33 ° east of north. While the first team uses its GPS to check the position of the second team, what does it give for the second team's (a) distance from them and (b) direction, measured from due east?
Question2
If a discus thrower rotates through the last 45 degrees of a turn in 0.11 seconds and distance from the axis of rotation to the center of the discus is 1.22m, compute the average linear velocity of the discus.
A ball with a mass of .100 kg is on a spring that is 10.0 m above the ground with a spring constant of 543 N/m and has been compressed .125 m. Determine the initial kinetic energy of the ball
A lighted candle is placed 36 cm in front of a converging lens of focal length f1= 13 cm, calculate the position and relative size of the final image
You push with a horizontal force of 43.7N against a 25.0N box, pressing it against a rough wall to hold it in place. What is the friction force on the box
In a two-slit interference experiment, with the sits 0.041 mm apart and screen at a distance 75 cm, What is the wave length of the light
A grinder consists of a solid 15 kg disk with a diameter of 57 cm. A when active, the disk rotates at a rate of 83 rad/sec. find the rate of angular acceleration of the disk
An atom is ionized so that it has only one electron. When the electron drops from the n = 4 shell to the n = 1 shell, an X-ray of wavelength 155.61 pm is emitted. What is the atomic number
Find the net rate of heat loss by radiation from a skier standing in the shade, given the following. She is completely clothed in white (head to foot, including a ski mask)
A water wave passing a point causes a cork to bob up and down through a total distance of 1 m, completing one cycle every 1.5 sec
A hot air heating system rated at 84,000 Btu/hr has an efficiency of 65%. determine the temperature of the outlet air
A bolt drops from the ceiling of a moving train car that is accelerating northward at a rate of 1.81 m/s2. What is the acceleration of the bolt relative to the train car
A 190? resistor is connected to an AC source withE0 = 14V. What is the peak current through the resistor if the emf frequency is 100 Hz
Two tug boats are towing a ship. Each exerts a horizontal force of 5 tons, What net force is exerted on the ship
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