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agasfer [191]
3 years ago
7

If I move 15ft foward, 15 ft backwards, 15 ft to the right, 15ft to the left where am I?

Physics
2 answers:
Naya [18.7K]3 years ago
8 0
Exactly where you started
lisov135 [29]3 years ago
4 0

-- When you finish those moves, you are exactly where you started from.

-- Your distance covered is 60 ft.

-- Your displacement is zero.

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dangina [55]

Answer:

4.44 rpm

Explanation:

\omega = Angular speed

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

r = Radius of Europa = \frac{3138000}{2}\ m

R = Radius of arm = 6 m

The acceleration due to gravity is given by

g=\frac{GM}{r^2}\\\Rightarrow g=\frac{6.67\times 10^{-11}\times 4.8\times 10^{22}}{\left(\frac{3138000}{2}\right)^2}\\\Rightarrow g=1.3\ m/s^2

Here the centripetal acceleration of the arm and acceleration due to gravity are equal

a_c=\omega^2R

a_c=g\\\Rightarrow \omega^2R=1.3\\\Rightarrow \omega^2\times 6=1.3\\\Rightarrow \omega=\sqrt{\frac{1.3}{6}}\\\Rightarrow \omega=0.46547\ rad/s

Converting to rpm

1\ rad/s=\frac{60}{2\pi}\ rpm

0.46547\ rad/s=0.46547\times \frac{60}{2\pi}\ rpm=4.44\ rpm

The angular speed of the arm is 4.44 rpm

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3 years ago
Which two statements are true about the wave shown?
Andreyy89

Answer:

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Answer:

Explanation:

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