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1. ### What is the height h of mercury in the right side of the U-tube? Suppose that d1 = 2.0 cm and d2 = 5.0 mm .?

... / (πd²/4) = 4*1100cm³/s / π(0.50cm)² = 5602 cm /s = 560 m/s v = 4*1100cm³/s / π(2.0cm)² = 350 cm /s = 35 m/s...

1 Answers · Science & Mathematics · 20/10/2020

2. ### A diver 45 m deep in 10∘C fresh water exhales a 0.50 cm diameter bubble.?

...283k = 1.01e5Pa * d³ / 293K solves to d = 0.89 cm Hope this helps!

1 Answers · Science & Mathematics · 19/10/2020

3. ### The legs of an isosceles triangle are each 45 cm long.The measures of the base angles are each 70°. What is the measure of the third side?

apply the law of sine ..a................b ---------=-------------- .sin(A)........sin(B) ..45..............b --------- = ----------- .sin(70) ....sin(40) 45sin(40) = bsin(70) b = 30.78 cm or 31 cm answer//

2 Answers · Science & Mathematics · 06/10/2020

4. ### Two objects attract each other with a gravitational force of magnitude 1.01 10^-8 N when separated by 19.9 cm . ?

1.01 10^-8 N ?? is that 1.01x10^-8 N F = G m₁m₂/r² = 1.01e-8 (6.674e-11) m₁m₂/(0.199)² = 1.01e-8 m₁ + m₂ = 5.02 two eq is two unknowns m₁ = 5.02 –  m₂ (6.674e-11) m₂(5.02...

2 Answers · Science & Mathematics · 31/10/2020

5. ### a piece of wire x cm is to be cut into two and make a square from it. the length of one side of one square is 12 times the length of the ot?

it is formed into two squares? basically, if z is one piece and y is the other z + y = x sides of each are z/4 and y/4 areas are z²/16 and y²/16 sum is z²/16 + y²/16 12(z/4) = y/4 12z = y x = z + y = z + 12z = 13z...

1 Answers · Science & Mathematics · 20/10/2020

6. ### Chem help?

(38 cm X 38 cm x 24 cm ) = 34656 cm ^3 = 34.656 L n = PV / RT = (715 torr) x (34.656 L) / ((62...

1 Answers · Science & Mathematics · 11/10/2020

7. ### Could I have help with this homework question?

...quot; Here is how to reach that answer 1) First determine how many cm are in 2300 km One km is equal to 100 000 cm 2300 km @ 100 000...

2 Answers · Education & Reference · 16/10/2020

8. ### Geometry triangle problem?

... O be the center of the circle. ∠BOC = 90° OB = 2 cm OC = 2 cm Do you see where this is going? Consider...

1 Answers · Science & Mathematics · 08/10/2020

9. ### Trigonometry Question?

The cool thing about radians is it directly matches to the distance along a unit circle, so just multiply the *radius* times the angular velocity. v = rω v = 6.15 cm * 5.2 rad/sec v = 31.98 cm /sec Answer: ~32 cm /sec

3 Answers · Science & Mathematics · 26/10/2020

10. ### Simple kinematics problems?

..., the average velocity was Vavg. distance d = Vavg * t = 10 cm After the third second, the velocity must be 3V (since...

1 Answers · Science & Mathematics · 04/10/2020