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A map suggests that Atlanta is 728 miin a direction of 5.20° north of east from Dallas. The same map shows that Chicago is 560 miles in a direction of 21.1° west of north from Atlanta. Modeling the Earth as flat, use this information to find the displacement from Dallas to Chicago.
Find the magnitude.
Find the direction.
A rocket A moves past a lab B at a speed of .9c. A technician in the lab records 3.5 s for the time of an event that occurs on the rocket. What is the time as reckoned by a person aboard the rocket?
A man of mass 85.0kg is escaping a burning building using a rope that will break if the tension exceeds 700N. With what acceleration must he slide down the rope
In a physics lab experiment, a student immersed 206 one-cent coins (each having a mass of 3.00g ) in boiling water. What was the final temperature of the coins
A child rides a toboggan down a hill that descends at an angle of 18.6? to the horizontal. The hill is 37.6 m long. find the vertical component of the child's displacement
Jack and Jill exercise in a 25.0-m-long swimming pool. Jack swims nine lengths of the pool in 159.5 seconds, while Jill, the faster swimmer, covers ten lengths in the same time interval. Find the average velocity and average speed of each swimmer.
there are two identical positively charged conducting spheres fixed in space. the spheres are 42.6 cm apart center to
Air (density = 1.29kg/m^3) passes over the top and bottom surfaces of an aircraft whose effective wing area is 75.5m2. what is the mass of the plane
an ideal gas occupies a volume of 1.0 cm at 20 degrees C, and atmospheric pressure. Determine the number of molecules of gas in the container
four identical charged particles q 11.0 microc are located on the corners of a rectangle as shown in the figure below.
A projectile launched vertically from the plane of the Moon rises to an altitude of 370 kilometer. Determine what was the projectile's initial speed
Now, a second resistor R2 of 3.2x10^5 ? is connected in parallel to the existing resistor in the circuit, What will be the new time constant
Consider a spider walking from the top of a (stationary) beach ball. (Let that angular position = 0O.), At what angle does this slipping begin
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