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1. ### Earth' s magnetic change?

...identify and measure the different magnetic signals that constitute Earth’ s magnetic field, is studying the development of South Atlantic...

1 Answers · Science & Mathematics · 23/08/2020

2. ### A crate is given an initial speed of 5.0 m/ s up the 22.5 ∘ plane shown in (Figure 1). Assume μk = 0.12.?

Let' s say the crate has a mass m Upslope is the positive direction...9.81(sin22.5 + 0.12cos22.5) a = -4.8417 m/s² v² = u² + 2as s = (v² - u²) / 2a  Going upslope, v = 0 and u = 5.0 m/ s s ...

2 Answers · Science & Mathematics · 29/10/2020

3. ### A 1 kg gram ball moving at 5m/ s to the right, hits a 2kg ball at rest. ?

m1V1 = 5kgm/ s and ½*1*5² = 25/2 = 12.5J energy before the...10/3 Check m1*V1+m2*V2 = -5/3+20/3 = 15/3 = 5kgm/ s Checks ½*m1*V1² + ½*m2*...

2 Answers · Science & Mathematics · 25/03/2021

4. ### You are traveling on an airplane. The velocity of the plane with respect to the air is 110 m/ s due east.?

Vp = velocity of plane = 110 m/ s Vp(x) = x-component of plane' s velocity = 110 m/ s Vp(y) = y-component...p(xy) = direction of plane on x-y axes = 0 ° Va = velocity of air = 41 m/ s Va(x) = x-component of air' s velocity = to be determined Va...

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

5. ### How is the answer 30 m/ s ?

Goblin' s velocity = 5.0 m/ s W Glider' s velocity = 23.0 m/ s N ...perpendicular to each other, resultant velocity =  √(5.0² + 23.0²) ≈ 23.5 m/ s angle made with the train = arctan (23.5/5.0) ≈ 78°  Spiderman...

1 Answers · Science & Mathematics · 24/09/2020

6. ### A soccer ball is kicked with an initial horizontal velocity of 12 m/ s and an initial vertical velocity of 18 m/ s .?

Given Ux = 12 m/ s & Uy = 18 m/ s 1) By u = √[(Ux)^2 + (Uy)^2] = √[(12... = Uy - gt =>Vy = 18 - 9.8 x 2.9 =>Vy = -10.42 m/ s {-ve just indicating the direction is opposite to the initial velocity i...

1 Answers · Science & Mathematics · 13/07/2020

7. ### Physics: From the top of 100m tall building you throw a ball upward with a speed of 10 m/ s .?

...downward quantities as positive. a) Initial velocity, vₒ = -10 m/ s Acceleration, a = 9.81 m/s² Final velocity, v = 0 m/ s ...

2 Answers · Science & Mathematics · 13/06/2020

8. ### I need help to calculate the repulsive force of two magnets required to repel each other with a velocity of 4m/ s . ?

...the piston and cylinder will accelerate apart. Eventually the velocity will reach 4m/ s . You need the kinetic frictional force.  The static frictional force is...

2 Answers · Science & Mathematics · 11/06/2020

9. ### A) A skier gliding at 5.23 m/ s comes across a long, horizontal patch of snow having a coefficient of kinetic friction of 0.220 with his ...?

A skier moving at 5.13 m/ s encounters a long, rough, horizontal patch of snow having a coefficient... = a = \mu mg / m = \mu g a = (0.22)(9.8) = -2.156 m/ s / s vf^2 = vi^2 +2ad Distance traveled before coming to a...

1 Answers · Science & Mathematics · 31/05/2020

10. ### A jet with mass m = 6 × 104 kg jet accelerates down the runway for takeoff at 2m/ s ^2?

1) Given the take-off acceleration is 2 m/ s ^2, let the Vertical & Horizontal components of acceleration...gt;v = u + aX x t =>98 = 80 + aX x 20 =>aX = 0.9 m/ s ^2 Thus Fx = m x aX =>Fx = 6 x 10^4 x 0.9 =>...

2 Answers · Science & Mathematics · 25/07/2020

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