Physics, 29.06.2019 10:00 andreamartinez375
While newton's second law often deals with formulas and numerical calculations, there exist one very important nonnumerical convention that must be appreciated and adhered to. on september 23, 1999, mars climate orbiter--a $125 m space mission--was lost when a small rocket was fired to adjust entry to the mars atmosphere. unfortunately, one operator assumed the thrust value was given in english units when actually nasa specifications gave it in metric units. this is an example of consequences if the mks convention is not precisely honored. what does the mks convention designates the following? a) measure distance in miles, mass in kilograms and time in seconds b) measure distance in meters, mass in kilograms and time in seconds c) measure mass in newtons, distance in kilometers and time in seconds d) measure time in minutes, distance in kilometers, mass in kilograms
Answers: 1
Physics, 22.06.2019 14:40, haileyjones732
How does an observation about an object differ from an inference about that object
Answers: 1
Physics, 22.06.2019 15:00, ttorres013
Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants
Answers: 2
Physics, 23.06.2019 03:30, akitchen10
What can change the speed of sound as it travels through the ocean? a. salinity only b. density and salinity c. salinity and distance from land d. density and distance from land
Answers: 2
While newton's second law often deals with formulas and numerical calculations, there exist one very...
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