Physics Questions
- What are the characteristics of electromagnetic waves? Check all that apply: 1) Travel in straight lines and can bounce off surfaces 2) Travel through space at the speed of light 3) Travel only through matter 4) Travel only through space 5) Can bend around objects 6) Move by particles bumping into each other 7) Move by the interaction between an electric field and a magnetic field.
- Which graph depicts the relationship between temperature (X) and kinetic energy (Y)?
- Why is Jupiter significantly larger than Earth? Check all that apply. A. Inner planets were formed at higher velocities. B. Outer planets have less gravity than inner planets. C. Outer planets attracted helium, hydrogen, and other gases. D. Inner planets formed in cooler temperature regions. E. Gases escaped from inner planets but not from outer ones.
- Alex goes cruising on his dirt bike. He rides 700 m north, 300 m east, 400 m north, 600 m west, 1200 m south, 300 m east, and finally 100 m north. What total distance did he cover, and what was his displacement?
- Which statements accurately define archetypes? Select three options: A. They are based on stereotypes B. They convey universal meanings and shared human experiences C. They are universal symbols found in literature D. They are flat and uncomplicated E. They can include characters, plots, settings, objects, and themes.
- Ben walks 500 meters from his house to the corner store. He then walks back toward his house but stops to talk to a neighbor when he is 200 meters from the corner store. If it takes Ben 910 seconds from the time he leaves his house until he stops to talk to his neighbor, what is his average velocity during this time?
- Determine whether the material is a rock or a mineral based on the given description.
- Why do lunar and solar eclipses not occur every month, considering they only happen during full and new moons? Is it because the Earth rotates around its axis faster than the Moon, or that the Moon and Earth only travel through the penumbras, or could it be due to the Moon’s axis not always aligning with Earth’s shadow?
- A 19.7 kg block is dragged over a rough, horizontal surface by a constant force of 188 N acting at an angle of 28.6 degrees above the horizontal. The block is displaced 48.7 m, and the coefficient of kinetic friction is 0.103. Find the work done by the 188 N force in joules (J). Additionally, determine the magnitude of the work done by the force of friction in joules (J). What is the change in kinetic energy of the crate in joules (J)? Lastly, what is the speed of the crate after it is pulled the 48.7 m in meters per second (m/s)?
- Which statements can be inferred from the Paleozoic era time scale? 1. There was volcanic activity during the Paleozoic era. 2. Dinosaurs existed in the middle part of the Paleozoic era. 3. Marine organisms existed in the early part of the Paleozoic era. 4. Ammonites existed before trilobites during the Paleozoic era. 5. Erosion and deposition were processes that occurred during the Paleozoic era.
- How would the data from trials conducted on a real track with real gliders, using stopwatches and meter sticks for measurement, compare to the data from a simulation that tracked variables and automatically recorded information on object displacement, velocity, and momentum? Check all that apply: – There would be variables that are hard to control, leading to less reliable data. – The data would be equally valid if recorded with a stopwatch. – Meter sticks may lack precision or may be read incorrectly. – Real glider data may vary since actual collisions can involve energy loss. – Human error in recording or plotting the data could affect results. – Controlling real glider velocities by hand would be just as accurate as using simulation controls.
- What is the effect of varying mass and applied force on the acceleration of a cart moving along a track, according to Newton’s second law of motion?
- When using a calorimeter, the initial temperature of the metal is 70.4°C, and the initial temperature of the water is 23.6°C. At the end of the experiment, the final equilibrium temperature of the water is 29.8°C. What is the final temperature of the metal? What is the temperature change of the water? What is the temperature change of the metal?
- The diagram shows monochromatic light passing through two openings. What do the areas labeled X, Y, and Z represent? Options: A) Constructive interference where waves cancel each other out, B) Constructive interference where waves strengthen each other, C) Destructive interference where waves cancel each other out, D) Destructive interference where waves strengthen each other.
- Two pans of a balance are 24.1 cm apart. The fulcrum has been shifted 1.33 cm away from the center by a dishonest shopkeeper. What percentage increase does this shift represent in the true weight of the goods being measured? Please provide your answer in percentage (%).
- Two pans of a balance are 46.3 cm apart. The fulcrum of the balance has been shifted 0.633 cm away from the center by a dishonest shopkeeper. By what percentage is the true weight of the goods marked up by the shopkeeper? Please provide your answer in percentage (%).