A simple pendulum and a mass oscillating on an ideal spring both have period T in an elevator at rest. If the elevator now moves downward at a uniform 2 m/s, what is true about the periods of these two systems?

A) Both periods would remain the same.
B) Both periods would increase.
C) Both periods would decrease.
D) The period of the pendulum would increase but the period of the spring would stay the same.
E) The period of the pendulum would decrease but the period of the spring would stay the same.


A

Physics & Space Science

You might also like to view...

A boxer punches a sheet of paper in midair from rest to a speed of 40 m/s in 0.05 s. If the mass of the paper is 0.01 kg, the force of the punch on the paper is

A) 0.08 N. B) 0.8 N. C) 8.0 N. D) 80 N.

Physics & Space Science

O and B stars are examples of ________________ that are used to outline the arms in a galaxy like the Milky Way galaxy

Fill in the blank(s) with correct word

Physics & Space Science

A person pours 330 g of water at 45°C into an 855-g aluminum container with an initial temperature of 10°C. The specific heat of aluminum is 900 J/(kg ? K) and that of water is 4190 J/(kg ? K)

What is the final temperature of the system, assuming no heat is exchanged with the surroundings? A) 28°C B) 32°C C) 31°C D) 33°C E) 35°C

Physics & Space Science

Which of the following describes an object that is accelerated?

A) A car slowing down while moving along a straight line B) A car rounding a curve at a steady 80 km/hr C) Both of the above. D) A car moving up a straight hill [a hill whose "slope" is unchanging] at a steady 80 km/hr, when the car is midway up the hill E) All of the above.

Physics & Space Science