A pendulum clock on the surface of the earth has a period of 1.00 s. On a distant planet, the length of the pendulum must be shortened slightly to have a period of 1.00 s.
What is true about the acceleration of gravity on the distant planet? A)
The gravitational acceleration of the planet is 0.
B)
The gravitational acceleration of the planet is slightly greater than g.
C)
The gravitational acceleration of the planet is slightly less than g.
D)
There is no gravitational acceleration on the planet.
E)
The gravitational acceleration of the planet is equal to g.
Question 2
Interference of light is evidence supporting
A)
the wave theory of light.
B)
the wave theory except in the case of constructive interference.
C)
both the particle and wave theories of light.
D)
the particle theory of light.
E)
the wave theory except in the case of destructive interference.
A soil surface crust that includes nitrogen-fixing, soil-enriching cyanobacteria.
Cutaway Model of Earth
Tides on Earth
Hints of Earth’s Early Appearance
Open pit mining creates immense holes at the surface
Airflow Associated with Surface Cyclones and Anticyclones