If one kilogram of hydrogen is converted to helium, how much energy will be generated?

a. 9 × 10^16 J
b. 3 × 10^8 J
c. 6.3 × 10^14 J
d. 2.2 × 10^6 J
e. 3.2 × 10^7 J


c

Physics & Space Science

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Compared with a neutron bouncing off a carbon nucleus, a neutron bouncing off an iron nucleus loses

A) less speed. B) more speed. C) the same amount of speed.

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A football player leaps at 3.0 m/s toward a second football player, who is at the time of the collision moving at 0.5 m/s toward the first player. After the collision, the two players move together at 1.2 m/s. If the originally stationary player's mass is 175 kg, what is the other's mass?

A. 185 kg B. 119 kg C. 165 kg D. 68 kg

Physics & Space Science

The constant ke, which appears in Coulomb's law formula, is equivalent dimensionally to which of the following?

a. N/m/C b. N/C c. N/m2/C2 d. N/C2

Physics & Space Science

Aluminum alloys are readily deformed into shape because they have the _________-centered-cubic crystal structure.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science