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Questions in physics

📝 Answered - A woman lifts her 100-newton child up one meter and carries her for a distance of 50 meters to the child's bedroom. How much work does the woman do?

📝 Answered - How far will you travel if you run for 10 minutes at 2 m/sec?

📝 Answered - What is the average speed of a car that traveled 300.0 miles in 5.5 hours?

📝 Answered - Determine the amount of potential energy of a 5-newton book that is moved to three different shelves on a bookcase. The height of each shelf is 1.0 meter, 1.5 meters, and 2.0 meters.

📝 Answered - Newton began his academic career in 1667. For how long was he a working scientist? Was he a very productive scientist?

📝 Answered - What is the velocity of a 500-kilogram elevator that has 4,000 joules of energy?

📝 Answered - A snail can move approximately 0.30 meters per minute. How many meters can the snail cover in 15 minutes?

📝 Answered - Emily’s vacuum cleaner has a power rating of 200 watts. If the vacuum cleaner does 360,000 joules of work, how long did Emily spend vacuuming?

📝 Answered - A force of 100 newtons is used to move an object a distance of 15 meters with a power of 25 watts. Find the work done and the time it takes to do the work.

📝 Answered - Derive a relation between the Universal Gravitational Constant ([tex]G[/tex]) and acceleration due to gravity ([tex]g[/tex]).