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you and maria each own identical spaceships. As you fly past maria, you measure her ship to be 89 m long and your own ship to be 100 m long.
how long does maria measure your ship to be?
How fast is Maria moving relative to you?
Drag race tires in contact with an asphalt surface have an extremely high coefficient of static friction. Assuming a constant acceleration and no slipping of tires, estimation the coefficient of static friction needed for a drag racer to cover 1.0 km..
"Two football players are moving toward each other in a straight line. Number 56 has a mass of 116 kg and a velocity of 3 m/s, Determine the velocity (magnitude and direction) of players, after the collision
A point charge of -12 micro-coulombs is fired directly towards a single infinite sheet of charge. It is initially moving at 3.4 m/s towards the sheet and after it has traveled 0.7 meters it is moving at 18.4 m/s.
Write down a function named as kineticEnergy() which determines the kinetic energy of an object in accordance with the following formula.
A projectile is launched from the top of a cliff above level ground. At launch the projectile is 35 meters above the base of the cliff and has the velocity of 50 meters per second at an angle 37° with horizontal. Air resistance is negligible.
A firefighting crew uses a water cannon that shoots water at 29.0m at a fixed angle of 52.0 degrees above the horizontal. How far from the building should they position their cannon
A pump discharges water at a rate 100kg/s with a guage pressure of 2atms. the flow is transported by a 10 cm diameter pipe up to an elevation of 5m
A rock is thrown vertically upward with a speed of 14.0 . Exactly 1.00 later, a ball is thrown up vertically along the same path with a speed of 21.0
A certain substance has a mass per mole of 36 g/mol. When 319 J is added as heat to a 35.0 g sample of this material, How many moles of the substance are present
A person with perfect pitch sits on the bus bench listening to the 442 Hz horn of an approaching car. If the person detects a frequency of 479 Hz, how fast is the car moving.
You are an engineer in charge of designing a new generation of elevators for a prospective upgrade to the Empire State Building. Before the state legislature votes on funding for the project, they would like you to prepare a report on the benefits..
an electric current of 1.00 A is flowing through a copper filament diameter 1.00 mm, calculate the average electron velocity v and the ?- factor, the positive and negative charge densities in the S' frame
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