In the following equations, the distance x is in meters, the time tin seconds. and the velocity v is in meters per second. whatare the SI units of the constants c1 andc2?
a. x = c1 +c2t
b. x = .5c1t^2
c. v^2 = 2c1x
d. x = c1cosc2t
e. v^2 =2c1v-(c2x)^2
I don't know how to figure this out. Help would be soonice

Another question.

an iron nucleus has a radius of 5.4 X 10^ -15 meters and a mass of9.3 X 10^-26 kg. a) what is its mass per unit volume inkg/m^3?
b) if earth has the same mass per unit volume, what would be itsradius? mass of the earth is 5.98 X 10^24kg.

If anyone can help I would sooo appreciate it! you would be alifesaver! thanks!

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Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!