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1. ### Fan speed rev/ sec ?

ω = ω₀ + αt 85 rad/s = ω₀ - 4.9rad/s² * 1.85s ω₀ = 94 rad/s = 15 rev/s (after dividing by 2π) Hope this helps!

1 Answers · Science & Mathematics · 04/07/2020

2. ### MHF4U HELP!!!!?

= sec () compressed horizontally by factor of 2. l. e.   sec (2) = 1/cos (2)     vertical asymptotes in interval [ 0, 2 ]             cos (2) = 0 ⇒.    2 = /2 , 3/2 , 5/2 , 7/2         = /4 , 3/4 , 5/4 , 7/4

1 Answers · Science & Mathematics · 16/07/2020

3. ### If a rocket going vertically burned out at a height of 100km (61 miles) at a speed of 2,682 m/ sec (6,000 mph) how much higher would it go?

We'd have to ignore drag, since we're not told how to model it. As a first approximation, I'd ignore the changing gravity. added h = v² / 2g = 2682² / 19.6 = 367 km and that's significant, so I agree that we need to consider the...

1 Answers · Science & Mathematics · 04/07/2020

...have the same vertical asymptotes? No. The function y = sec (Θ) has vertical asymptotes where Θ = π/2...two more vertical asymptotes in the [0, 2π] interval than in the y = sec (x) case.

2 Answers · Science & Mathematics · 15/07/2020

5. ### Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.?

... resulting volume will be unchanged. Boundaries: y = sec (x), -π/3 ≤ x ≤ π/3 y = 2 Axis: y = 0 volume = π ∫[-π/3,π/3] [...

1 Answers · Science & Mathematics · 08/07/2020

6. ### physics help?

Let the bullet take t sec to fall 35 m =>By s = ut + 1/2gt^2 =>35 = 0 + 1/2 x 9.8 x t^2...the horizontal initial velocity is v m/s thus the distance covered in t sec , by s = ut =>1.10 x 10^3 = v x 2.67 =>v = 411.99 m/s

1 Answers · Science & Mathematics · 16/07/2020

7. ### A car is traveling around a horizontal circular track with radius r = 230 m as shown. It takes the car t = 52 s to go around the track once.?

...of the car’s acceleration? angular speed ω = 2PI / T = PI / 26 rad/ sec   tangential speed Vt = ω *r = 230PI/26 = 27.8 m/ sec   2)What...

2 Answers · Science & Mathematics · 14/07/2020

8. ### A sphere with a mass of 2.00kg and a net charge −8.00C is released from rest at the bottom of the electric field . ?

Given: s = 4 m & t = 4 sec , Let the upward acceleration of the mass was a m/s^2, =>By s...

2 Answers · Science & Mathematics · 30/07/2020

9. ### A tortoise and hare start from rest and have a race. As the race begins, both accelerate forward. ?

... after it starts?   hV' = a*t' = 0.9*2.7 = 2.43 m/ sec  2) How fast (hV'') is the hare going 9.2 ...

2 Answers · Science & Mathematics · 12/07/2020

10. ### A long horizontal hose of diameter ?

... = 1/4 x 3.14 x (1.6 x 10^-2)^2 x 26 =>Q =  5.22 x 10^-3 m^3/ sec =>Q = 5.22 Lites/ sec {as 1 Liter = 10^-3 m^3} Thus...

1 Answers · Science & Mathematics · 15/07/2020