Physics Topic Questions
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We found 80 unanswered questions associated with the 'Physics' topic. Displaying results 1 - 10.
I need example of object that would experience large force, a 25kg mass on Saturn or 55kg on mercury
Please help I rlly don’t get this physics homework
Posted 3+ months ago | 0 answers | 
| Open
Related topics: large, force, mercury, homework, experience, example, physics, object
Physics Question?
A stretched spring has a total length of 20 cm and a spring constant of 200 N/m. It is storing 0.25 J in its elastic potential energy store. ...
Posted 3+ months ago | 0 answers | | Open
Issac physics?
a) Work out how fast I am going (relative to a ground-based observer) if I row at 9.0ms−19.0ms−1 South (relative to the water) in a river ...
Posted 3+ months ago | 0 answers | | Open
Related topics: work, water, fast, river, observer, ground, south, physics, rows, relatives, relative
Why should the amalgam used in dental fillings have the same average coefficient of expansion as?
. Why should the amalgam used in dental fillings have the same average coefficient of expansion as a tooth? What would occur if they were mismatched?
Posted 3+ months ago | 0 answers | | Open
Car of 1000kg is travelling at 30 m/s.Car decelerates to 10m/s. Whats the change in Kinetic?
Physics Energy Kinetic Energy Science Maths
Posted 3+ months ago | 0 answers | | Open
Related topics: travelling, energy, science, physics, math, maths, car, cars
In the formula to find the refractive index, n= sin I / sin r , why sine is used?
My question is that RI is a ratio but what sine have to do here? Why didnt we use consine, tangent or secant??
Posted 3+ months ago | 0 answers | | Open
Related topics: formula, physics, refraction
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