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Questions in physics

[Answered] A 15 cm\(^3\) block of gold weighs 2.8 N. It is carefully submerged in a tank of mercury. One cm\(^3\) of mercury weighs 0.13 N. a. Will the mercury be displaced by the gold? b. Will the gold sink or float in the mercury?

[Answered] Explain why Mercury, Venus, and Mars are not likely to support life as we know it.

[Answered] You "measure" or "observe" two events to occur at the same time, one nearby and one further away. Which one did you actually see first? A. Both at the same time. B. The closer one. C. The farther-away one.

[Answered] Susan works 8 hours a day and makes $7.00 per hour. How much money does Susan earn in one week if she works 5 days per week?

[Answered] You're conducting a physics experiment on another planet. You drop a rock from a height of 2.3 m and it hits the ground 1.1 seconds later. What is the acceleration due to gravity on this planet? A. 4.2 m/s\(^2\) B. 3.8 m/s\(^2\) C. 2.4 m/s\(^2\) D. 9.8 m/s\(^2\)

[Answered] Why does an insulator have a high resistance?

[Answered] What are cirrus, cirrostratus, and cirrocumulus clouds made up of?

[Answered] A squirrel sitting on the ground starts to run with an acceleration of [tex]5.1 \, \text{m/s}^2[/tex]. How fast is the squirrel going after 0.25 seconds? A. 20.4 m/s B. 1.28 m/s C. 0.49 m/s D. 3.1 m/s

[Answered] A pendulum takes 0.5 seconds to complete one cycle. What are the pendulum’s period and frequency?

[Answered] How does the tilt of Earth's axis affect how the sun's rays strike Earth?