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1. ### Question for physics?

acceleration a = 9.8*(16-2.5)/(16+2.5) = 7.15 m/sec^2 time t = √h/a = √3.8/7.15 = 0.719 sec

2 Answers · Science & Mathematics · 30/10/2019

2. ### Is there anything alive at the bottom of the sea?

..., some gigantic single-celled amoebas with a size of more than 10 cm (4 in), belonging to the class of xenophyophores were ...

6 Answers · Science & Mathematics · 27/10/2019

3. ### average induced emf problem?

e = A*(0.36-(-0.20))/0.14 = 0.7854*0.116^2*0.56/0.14 = 42.3 mV

1 Answers · Science & Mathematics · 26/10/2019

4. ### Homework help- Math?

convert inches to cm - m - micrometers 3.5in X 2.54cm/in X 1m/100cm X...

4 Answers · Education & Reference · 22/10/2019

5. ### A 250 g baseball is pitched at 26 m/s spinning at 45 rad/s . You can treat the baseball as a uniform solid sphere of radius 2.7 cm?

KE = ½mV² = ½(0.25)(26)² = 84.5 J I = cMR² = (2/5)(1/4)(0.027)² = 0.0000729 kg•m² AKE = ½Iω² = ½(0.0000729)(45)² = 0.0738 J Total energy = 84.6 percent...

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

6. ### Derivative Question?

L = Lo*(1+k*ΔT) L = 120*(1+17*10^-6*(24-21)) = 120.006 mm lenght increases by 6 μm

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

7. ### As you drive down the road at 18 m/s , you press on the gas pedal and speed up with a uniform acceleration of 1.22 m/s2 for 0.70 s .?

angular speed ω = V/r = 18/(1/3) = 54 rad/sec angular acceleration α = at/r = 1.22/(1/3) = 3.66 rad/sec^2 angle Θ = ω*t+ α/2*t^2 = 54*0.7+1.83*0.7^2 = 38.70 radians ... rounded up to 39

1 Answers · Science & Mathematics · 17/10/2019

8. ### TTC peeps: Could I be pregnant?

Negative test means not pregnant

2 Answers · Pregnancy & Parenting · 16/10/2019

9. ### Two objects attract each other with a gravitational force of magnitude 9.40 10-9 N when separated by 19.7 cm.?

m1 = 5.03-m2 m1*m2 = F*d^2/G (5.03-m2)*m2 = 9.40*10^-9*17.7^2*10^-4*10^11/6.67 5.47-5.03m2+m2^2 = 0 m2 = (5.03+√5.03^2-21.88)/2 = 3.44 kg m1 = (5.03-√5.03^2-21.88)/2 = 1.59 kg m1+m2 = 3.44+ 1.59 = 5.03 kg

2 Answers · Science & Mathematics · 18/10/2019

10. ### Is 5'7'' (170 cm) too short for a guy?

It's just slightly shorter than average. Meanwhile your girlfriend is a full four inches taller than average for a woman. Just tell her it's not your fault she's so freakishly tall. :-)

5 Answers · Family & Relationships · 05/10/2019