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Solve the each part of given question:
Question: A man in search of his dog drives first 12.5 mi northeast, then 16.5 mi straight south, and finally 6.31 mi in a direction 32.1° north of west.
Part A: What is the magnitude of his resultant displacement?
Part B: What is the direction of his resultant displacement? Express your answer counterclockwise relative to the positive x-axis.
I know the correct answer but explain how to get this answer!
A storage tank contains 21.6 kg of nitrogen (N_2) at an absolute pressure of 3.54 atm. What will the pressure be if the nitrogen is replaced by an equal mass of CO_2 ?
18 g of helium gas are placed in a cylinder with a movable piston. The gas is compressed very slowly from a state of ( p1 = 5.5atm, v1 = 32.7 × 10^3 m3) to a state of (p2 = 17atm, v2 = 11 × 10^3 m3 )
A spaceship approaching a planet at a speed of 0.20c fires a probe toward a planet. Observers on the planet see the probe approaching at a speed of 0.61c. What the speed of the probe is as gauged from the spaceship?
A 0.200 kg plastic ball moves with a velocity of 0.30 m/s. Itcollides with a second plastic ball of mass 0.100 kg, What is the new velocity of the first ball
A 1400 kilogram car coasts on a horizontal road with a speed of 19 m/s. Determine the magnitude of the average net force on the car in the sandy section
in a hydraulic system comprised of a reservoir and a pump which is 4 ft above the oil level what would be the pressure
a person pushes a 24.5-kg shopping cart at a constant velocity for a distance of 39.8 m on a flat horizontal surface.
Picture a wave with crests every 1.8m apart. If a crestpasses you every 2.6s, what is the propagation speed of the wave?
An electron is initially at rest and is accelerated in the positive x direction to a speed of 1.14 × 106 m/s over a distance of 2.8 cm, by a uniform electric field. Which direction could the electric field point to produce this acceleration
A converging lens of focal length 7.930cm is 16.6 cm to the left of a diverging lens of focal length -6.0cm. A coin is placed 12.60cm to the left of the converging lens. Determine the location of the coin's final image.
a search light requires 56 watts of power when connected to 117 volts. What is the resistance of the searchlight
consider two solid disks of identical radius and thickness. one of the disks is made of aluminum (density=2.7g/cm), what is the ratio between the two moments of inertia
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