What is the total energy of a proton moving at a speed of 2.10 × 10^8 m/s? (proton mass is 1.67 × 10^-27 kg and c = 3.00 × 10^8 m/s)
a. 1.11 × 10^-27 J
c. 2.02 × 10^-10 J
b. 2.10 × 10^-10 J
d. 2.24 × 10^-27 J
B
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Indicate whether the statement is true or false
The Earth's temperature increases with depth. Pressure also increases with depth from the weight of the rock above. As pressure increases the
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A rocket is fired in a gravity-free environment in deep space. The rocket has an initial mass of 8000 kg and ejects gas with a velocity of 2000 m/s. How much gas must be ejected in the first second to give the rocket an acceleration of 30.0 m/s2?
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