Sue and Betti both ski straight down a hill, both starting from rest. Sue weighs more than Betti. Neglecting friction and wind resistance, which skier will be moving the fastest at the bottom of the hill?
A) They will be moving with the same speed.
B) Sue
C) Betti
A
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Two simple pendulums, A and B, are each 3.0 m long, and the period of pendulum A is T. Pendulum A is twice as heavy as pendulum B. What is the period of pendulum B?
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In March 2004, a new world, Sedna, with a comet-like orbit and a perihelion over three times farther out than Pluto's was announced. What did this do to Pluto's status as a major planet?
What will be an ideal response?
The helium flash shows up on the H-R diagram on the way to the horizontal branch
Indicate whether the statement is true or false