Physics, 24.12.2019 21:31 boneyke3720
Two crates of mass 65 kg and 125 kg ,are in contact and at rest ona horizontal surface. a 650 n force is exerted on the 65 kg crate. if the coefficient of kinetic friction is 0.18 calculatea) the acceleration of the system andb)the force that each crate exerts on the other. c) repeat with the crates reversed
Answers: 2
Physics, 21.06.2019 20:40
If an object with an initial temperature of 300 k increases its temperature by 1°c every minute, by how many degrees fahrenheit will its temperature have increased in 10 minutes? (a) 6°f (b) 10°f (c) 18°f (d) 30°f
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Physics, 22.06.2019 00:00
An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?
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Physics, 22.06.2019 15:10
Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
Answers: 1
Physics, 22.06.2019 15:40
If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false
Answers: 2
Two crates of mass 65 kg and 125 kg ,are in contact and at rest ona horizontal surface. a 650 n forc...
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