GuideFoot - Learn Together, Grow Smarter. Logo

Questions in physics

📝 Answered - Today, Earth's magnetic field is losing approximately 7 percent of its strength every 100 years. If the strength of Earth's magnetic field at its surface is 0.5 gauss today, what will it be 100 years from now?

📝 Answered - You go to another forest and measure the shadow of a tree as being 6 meters long. The shadow of your meter stick is 2 meters long. How tall is the tree?

📝 Answered - Every 6 seconds, a pendulum completes 1 cycle. What are the period and frequency of this pendulum?

📝 Answered - Suppose you are walking home after school. The distance from school to your home is five kilometers. - On foot, you can get home in 25 minutes. - If you rode a bicycle, you could get home in 10 minutes. a. What is your average speed while walking? b. What is your average speed while bicycling? c. How much faster do you travel on your bicycle?

📝 Answered - A pendulum has a period of 0.3 seconds. What is its frequency?

📝 Answered - What is the mass of a falling rock if it produces a force of 147 N? Given: \[ F = 147 \, \text{N} \] \[ M = ? \] \[ A = 9.8 \, \text{m/s}^2 \]

📝 Answered - Suppose a force of 100 newtons is used to push an object a distance of 5 meters in 15 seconds. Find the work done and the power for this situation.

📝 Answered - You are on roller blades on top of a small hill. Your potential energy is equal to 1,000.0 joules. The last time you checked, your mass was 60.0 kilograms. a. What is your weight in newtons? b. What is the height of the hill? c. If you start skating down this hill, your potential energy will be converted to kinetic energy. At the bottom of the hill, your kinetic energy will be equal to your potential energy at the top. What will be your speed at the bottom of the hill?

📝 Answered - How many newtons of force are represented by the following amount: [tex]3 \, \text{kg} \cdot \text{m/s}^2[/tex]?

📝 Answered - Why don't the present shapes of the continents fit perfectly into the supercontinent?