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...inertia I = kmr² the effective mass is km. For a hoop, k = 1, and so the total effective mass of this system is M = 1.9kg + 1.34kg...

1 Answers · Science & Mathematics · 19/11/2019

168ºC = 441 K (a) KE for both molecules is the same: KE = (3/2...

1 Answers · Science & Mathematics · 15/11/2019

3. ### Physics lab?

... at the first graph, the slope F / x gives the spring constant k. The bottom corner appears to be (x, F) = (0.45m, 1.3N...

1 Answers · Science & Mathematics · 13/11/2019

4. ### Does Einstein field equation leave out an inertial system?

...x, y, z, t)dx² + h(x, y, z, t)dy² + j(x, y, z, t)dz² + k(x, y, z, t)dt², the dimensions being now 4, and the distance...

2 Answers · Science & Mathematics · 14/11/2019

5. ### How much will the spring be compressed when the block momentarily comes to a rest?

@alex is close but ignores the change in PE of the block when the spring compresses. For a spring compression of "x," initial KE + GPE = SPE means that ½mv² + mg(d+x)sinΘ + ½kx²...

3 Answers · Science & Mathematics · 10/11/2019

6. ### Find the tangential and normal components of the acceleration vector. (r)= (t^2 +1)I +t^3 j, t>=0?

...x (2 i^ + 6t j^)| / √[t²(4 + 9t²)] a_n = |(2t*6t - 3t²*2) k^| / √[t²(4 + 9t²)] a_n = |(12t² - 6t²) k^| / √[...

3 Answers · Science & Mathematics · 11/11/2019

7. ### If an Aircraft fly at an altitude of 30000 how can I calculate air temperature in (k) air pressure and air density in (kg/m'3) according to ?

...m, 9.1 km pressure is about 30 kPa Temp is about 230 K density is about 0.46 kg/m³ how many times are you...

1 Answers · Science & Mathematics · 04/11/2019

8. ### Physics question?

...kinetic energy is the sum of the translational and rotational components: K = 0.5mv^2 + 0.5Iω^2 The moment of inertia I for a circular hoop...

1 Answers · Science & Mathematics · 03/11/2019

9. ### If an Aircraft fly at an altitude of 30,000 feet what is air pressure and air density in {kg\m-3}, air temperature in (k).?

...m, 9.1 km pressure is about 30 kPa Temp is about 230 K density is about 0.46 kg/m³"{kg\m-3}" is meaningless...

3 Answers · Science & Mathematics · 02/11/2019

10. ### help in spring question physics?

...force = Static frictional force kx = μ(s)N kx = μ(s)mg x = μ(s)mg/k x = 0.60*1.5*9.8/(1.2 x 10³) x = 0.00735 m or 7.35 mm The block...

2 Answers · Science & Mathematics · 20/10/2019