Physics, 06.12.2020 23:40 lucerogd170
Plz help i need answers to all these questions
1) On a flat surface: What is the net force of a 2kg box if team A is pulling with 20 N and team F is pulling back with 15 N?
Is the box accelerating? How much?
2) On a ramp: What is the net force of a 2kg box if it is on a ramp at a 30 degree angle and there is a force of friction 10 N?
Is the box accelerating?
What is the normal force
3) A 10 – kg box slides down a frictionless 18o ramp.
What is the acceleration of the box?
Answers: 3
Physics, 21.06.2019 17:10
An air-standard stirling cycle operates with a maximum pressure of 600 psia and a minimum pressure of 10 psia. the maximum volume of the air is 10 times the minimum volume. the temperature during the heat rejection process is 100°f. calculate the specific heat added to and rejected by this cycle, as well as the net specific work produced by the cycle. use constant specific heats at room temperature. the properties of air at room temperature are r
Answers: 2
Physics, 22.06.2019 02:00
What is created when solids,liquids,an gases mix with one another
Answers: 1
Physics, 22.06.2019 16:30
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
Answers: 2
Physics, 23.06.2019 00:00
You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?
Answers: 3
Plz help i need answers to all these questions
1) On a flat surface: What is the net force of a 2kg...
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