Questions by Doug Harris

Questions by Doug Harris

A longitudinal wave produced on a toy slinky travels at a speed of 30 m/s with a frequency of 20 Hz. Find the minimum separation between the consecutive compressions of the slinky.

asked Jul 13, 2023

1 answer

17 votes

116k views

Give me some ideas pls my brain isn't working rn lol

asked Mar 23, 2023

1 answer

0 votes

269k views

A submarine began at sea level and descended toward the ocean floor at a rate of −0.015 km per minute. Its final depth was −0.3675 km. Estimate how long it took the submarine to reach its final depth by

asked Jul 4, 2022

2 answers

32 votes

516k views

PLEASE I NEEED HELP Winds that change daily in a regular pattern and blow within small areas are called: O monsoons O air masses O global winds O local winds

asked May 6, 2022

1 answer

40 votes

113k views

A chair of weight 85.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 40.0 N directed at an angle of 35.0deg below the horizontal and the chair

asked May 4, 2022

1 answer

2 votes

115k views

Krissy bought a scooter for $68. She sold it and made an 85% profit. Enter the amount Krissy sold the scooter for.

asked Jan 19, 2022

1 answer

31 votes

485k views

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