An astronaut on a strange new planet having no atmosphere finds that she can jump up to a maximum height of 27 m when her initial upward speed is 6.0 m/s. What is the magnitude of the acceleration of freely falling objects on the planet?
What will be an ideal response?
0.67 m/s2
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An atom is ionized if one of its electrons jumps to a higher energy level in the atom
a. True b. False Indicate whether the statement is true or false
Which process(es) lead(s) to the gradual evolution of life via natural selection?
A) Changes that organisms acquire during their lives are passed on to their offspring. B) Organisms tend to produce more offspring than the local environment can support. C) Individuals vary in many heritable traits, and some will be better able to compete for resources at the given time and place in which they live. D) A and B E) B and C F) A, B, and C
What is the mass of a ball moving at 4 m/s with a momentum of 48 kg?m/s?
A) 4 kg B) 12 kg C) 48 kg D) 192 kg E) none of the above
If a 1H nucleus, a 2H nucleus, and a 3H nucleus all had the same momentum, which one has the lowest de Broglie wavelength?
a. 3H b. 2H c. 1H d. All three have the same de Broglie wavelength.