If two similar flashlights shine on the same wall from the same distance, the spot on the wall becomes brighter. this is due to light wave

Velocity is the rate at which an object moves in a certain direction. what would cause a change in velocity?

A sailboat increases its speed from 1m/s to 4m/s in 3 seconds what will the speed of the sailboat be at 6 seconds if the acceleration stays the same

The average speed of a person in driving to school is 30 km/h. on the return trip along with the same route, the average speed is 25km/h. what is the average speed for the round trip to the school

What is the displacement in meters of an object that travels for 5hrs at 100km/h {N]?

Five moles of an ideal monatomic gas with an initial temperature of 121 ∘C expand and, in the process, absorb an amount of heat equal to 1200 J and do an amount of work equal to 2020 J. What is the final temperature of the gas?

Why are large astronomical bodies round

What would provide specific information about the materials in the equipment used in a certain experiment

The second harmonic of a guitar string has a frequency of 120 hz. what is the length of the guitar string if the speed of the waves on the string is 110 m/s?

Which of the following processes is NOT a chemical change? A burning candles B cooking an egg C grilling a steak D mowing grass

In the diagrams, the solid green line represents Earth's rotational axis and the dashed red line represents the magnetic field axis. Which diagram accurately shows Earth's magnetic field?