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Assuming that the Earth is spherical and recalling that latitudes range from 0° at the Equator to 90° N at the North Pole, how far apart, measured on the Earth's surface, are Atlanta, GA (33.65° N latitude), and San Jose, Costa Rica (09.55° N latitude)? The two cities lie on approximately the same longitude. Do not neglect the curvature of the Earth in determining this distance.
Illustrate what was the magnitude of the centripetal acceleration of the rock when it was on the string? (b) What was its speed when it was on the string?
Judy (mass 45.0 kg), standing on slippery ice, catches her leaping dog, Use the conservation of momentum to find the speed of Judy and her dog after the catch
Find the mechanical energy of a block- spring system having a spring constant of 1.3 N/cm and an oscillation amplitude of 2.4 cm
An object is held up by two ropes. rope 1 makes an angle of 65 degrees above horizontal and the tension in it is T1 = 26N. rope 2 makes an angle of 32 degrees above horizontal and the object is in equilibrium. what is the tension in rope 2 (T2) an..
One trajectory that can be used to send spacecraft from Earth to Mars is an elliptical orbit that has Sun at one focus, its perihelion at Earth, Find the semimajor axis of the ellipse
An old Chrysler with mass 2300 kg is moving along a straight stretch of road at 89 km/h. How fast (in km/h) is the center of mass of the two cars moving
A race car has a mass of 703 kg. It starts from rest and travels 40.0 m in 3.0 s. The car is uniformly accelerated throughout the entire time. What net force is exerted on it.
A large water tank has an inlet pipe and an outlet pipe. The inlet pipe has a diameter of 2.05 cm and is 2.15 m above the bottom of the tank. What is the gauge pressure in the outlet pipe
The position function x(t) of a particle moving along an x axis is x = 4.0 - 4.5t2, with x in meters and t in seconds. 1) At what negative time does the particle pass through the origin? 2) At what positive time does the particle pass through the ..
The electron is heading at a 45 angle directly toward the wire when it is 50cm away; the electron reaches only as close as 1.0 cm, before being repelled away, always moving in the same plane. If the electron has an initail speed of 3.4 x 10^6 m/s,
a marble column of cross-sectional area 1.2 m^2 supports a mass of 25,000 kg. what is the stress within the column
Find out the speed of a 56.7 kg thrill seeker at the bottom of the slide, assume no friction. If the thrill seeker has a speed of 24.1 m/s at the bottom, find out the change in mechanical energy due to friction.
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