An equation that describes the displacement in Simple Harmonic Motion is: x(t) = 1.20 m sin(2.40 rad/s t). What is the maximum velocity of the SHM?
A. 5.32 m/s
B. 4.82 m/s
C. 3.68 m/s
D. 2.88 m/s
E. 2.03 m/s
D. 2.88 m/s
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Nearly all of the oxygen in the Earth's atmosphere was originally produced by photosynthesis in the leaves of trees that covered the continents 3.5 billion years ago
Indicate whether the statement is true or false
What is the net power that a dog with surface area of 0.075 m2 radiates if his emissivity is 0.75, his skin temperature is 315 K, and he is in a room with a temperature of 290 K? The Stefan-Boltzmann constant is 5.67 × 10-8 W/(m2?K4)
A) 8.8 W B) 6.0 W C) 8.0 W D) 15 W E) 18 W
Gravitational Force: As a 70-kg person stands at the seashore gazing at the tides (which are caused by the Moon), how large is the gravitational force on that person due to the Moon? The mass of the Moon is 7.35 × 1022 kg, the distance to the Moon is 3.82 × 108 m, and G = 6.67 × 10-11 N ? m2/kg2.
A. 0.24 N B. 0.024 N C. 0.0024 N D. 0.00024 N
Consider the following statement, and explain whether or not it is sensible: If you had a very fast spaceship, you could travel to the celestial sphere in about 100 years
What will be an ideal response?