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After being kidnapped and placed in the trunk of a car, you discover you are able to pry open the trunk. Luckily your smart phone has a GPS system that receives signal when you open the trunk. The GPS tells you that you're moving 32.0mph in a direction 25 degrees N of E at a location 1.1. miles west of the police station. You then close the trunk so as not to be spotted. Five minutes later your ale another reading that tells you are now 1.9 miles north of the police station and are moving west at a speed of 12.0 mph.
What was your average velocity during this trip?
What was your average acceleration during this trip?
What is the distance and direction you would need to travel to return to the location of your first GPS reading if you jumped out of the car now?
A bungee cord is stretched between two poles with a force of 447 N, What is the velocity of a wave on this bungee cord
A copper vat is 10-m long at room temperature (20°C). How much longer is it as it contains boiling water at 1 atm pressure.
Two speakers are emitting simple harmonic sound waves of frequency 258 Hz and 256 Hz. Describe the sound heard by a listener
Andy, age 16, lacks self-discipline, fails to plan ahead, and is rapidly frustrated by challenging tasks. He is nervous and overly critical of others. Make use of the psychoanalytic, humanistic and social-cognitive perspectives to give three contr..
The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by a 12-g nail
A 1.60m cylindrical rod of diameter 0.450cm is connected to a power supply that maintains a constant potential difference of 15.0V across its ends, Find the resistivity and for the material of the rod at 20 ?C
Weight of a box is 150 pounds. The horizontal force required to move the box is 70 lb. What horizontal force is required if 60lbs is added to box.
what was the initial speed given to the rock. A light plane is headed due south with the speed of 154 km/h relative to still air. After 1.06 hour, the pilot notices that they have covered only 127km and their direction is not south but southeast (4..
Suppose an object is set sliding, with a speed less than escape velocity, on an infinite frictionless plane in contact with the surface of the Earth. Describe its motion.
The lens of an endoscope is carefully matched such that the light ray from the edge of the lens enters the fiber at an angle. What focal length should the lens have
You want to design the loop-the-loop toy. The idea is that a ball of mass m=0.01 kg, determine the minimum height necessary for the ball to remain in contact with the track during the whole loop-the-loop journey
Compute the total distance that the mass has fallen.
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