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You fly from Boston's Logan Airport, at sea level, to Denver, at an altitude of 1.6 . Take your mass as 69 and the zero of potential energy at Boston.
a) What is your gravitational potential energy at the plane's 11- cruising altitude?
b) What is your gravitational potential energy in Denver?
A 20.0%u03BCF capacitor is charged by a 160.0-VV power supply, then disconnected from the power, Calculate the oscillation frequency of the circuit
Three forces act on an object moving with constant velocity. One force of 40.0 N due west, the other force is 25 N due south. What is the magnitude and direction of the third force
A university physics department buys 100m of string and determines its total mass to be 0.150kg. what is the required string tension
If a camera with a 60 mm lens is to resolve two objects that are 3.0 mm from each other and both objects are 4.0 m from the camera lens, What is the resolving power
A person whose mass is 72 kg sits on a piston of a hydraulic lift. The radius of this piston is 0.18 m, What is the mass of a puppy
A 2.5 kg stone is dropped from a height of 4m. What is its momentum on impact
Entrance and exit ramps for freeways are often circular stretches of road. As you go around one at a constant speed, you will experience a constant acceleration. Suppose you drive through an entrance ramp at a modest speed and your acceleration is 2...
A copper (cu) penny has a mass of 3.11 g. The molar mass of copper is 63.5 g/mol. How many atoms of Cu are there ? what fraction of the electrons have been removed
A certain dam is holding back fresh water 203 m deep. What is the water pressure at the base of the dam
You push on the chair with a force of = 35.0 directed at an angle of 43.0 below the horizontal and the chair slides along the floor.Using Newton's laws, compute the magnitude of the normal force that the floor exerts on the chair.
At a point P, the path lengths from two point sound wave sources have a difference of 1/4 l. What is the phase difference between the sound waves at poiunt P
Illustrate what is the angular velocity of the merry-go-round now? What if the people were on it initially and then jumped off in a radial direction (relative to the merry-go-round)?
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