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The acceleration due to gravity becomes weaker by about three parts in ten million for each meter of increased elevation above the Earth's surface. Suppose a skyscraper is 100 stories tall, with the same floor plan for each story and with uniform average density. Compare the location of the building's center of mass and the location of its center of gravity. a) Its center of gravity is higher by a distance of several millimeters. b) Its center of gravity is higher by a distance of several meters. c) its center of mass is higher by a distance of several millimeters d) Its center of mass and its center of gravity are in the same location. e) Its center of mass is higher by a distance of several meters.
Find the conversion factor between weights measured in Newtons to weights measured in pounds
q1. a race car has the mass of 702 kg. it starts from rest and travels 45.0 m in 3.0 s. the car is uniformly
Rays of the Sun are seen to make a 31.0° angle to the vertical beneath the water. At what angle above the horizon is the Sun
A kicker punts a football from the very center of the field to the sideline 36 yards downfield. The magnitude of the net displacement of the ball is 46 yards. What is the direction of the net displacement of the ball
Clouds in the tropics tend to move from east to west. Consequently, which rhyme best explains a rainbow seen in the tropics.
is tightly wound into a long solenoid , and a 3.6 A current is passed through it. What is the magnetic field of the solenoid
two point charges -2q and 3q are on the x-axis -2q at the origin and 3q at x d. choose the potential to equal zero at
When red light in a vacuum is incident at the Brewster angle on a certain type of glass, the angle of refraction is 29.2°. What is the Brewster angle
A bullet with mass 20 grams and velocity 100 m/s collides with a wooden block of mass 2kg. What is the maximum compression of the spring
A cubical piece of heat-shield tile from the space shuttle measures 0.11 m on a side and has a thermal conductivity of 0.059 J/(s m ·C°). How much heat flows from the outer to the inner surface of the tile in six minutes
A spherical capacitor contains a charge of 3.30nC when connected to a potential difference of 250 V. Calculate the radius of the inner sphere
The bullet remains in the block, and after the impact the block lands d = 2.2 m from the bottom of the table. Identify the initial speed of the bullet.
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