Find the volume of a sphere which has 4 cm diameter

Tom has a mass of 73. 9 kg and Sally has a mass of 59. 8 kg. Tom and Sally are standing 27. 9 m apart on a massless dance floor. Sally looks up and she sees Tom. She feels an attraction. If the attraction is gravitation, find its mag - nitude.

A normal human heart, beating about once per second, creates a maximum 4.00-mv potential across 0.250 m of a person/'s chest, producing a 1.00-hz electromagnetic wave. what is the maximum electric field strength produced?

You drive on Interstate 10 from San Antonio to Houston, half the time at 72 km/h and the other half at 98 km/h. On the way back you travel half the distance at 72 km/h and the other half at 98 km/h.

A gannet is a seabird that fishes by diving from a great height. part a if a gannet hits the water at 32 m/s, what height did it dive from

A search team is hoping to recover cargo from a sunken ship. Which section of the ocean floor would be the hardest to recover the cargo from?

What is the total momentum of the system after the collision

Compare the advantages and disadvantages of buying compact fluorescent bulbs rather than filament bulbs (6 marks)

Calculate the volume of this regular solid. A cylinder labeled B at the top, 13 centimeters high with a radius of 4 centimeters.

If your mass, the mass of Earth, and the mass of everything in the solar system were twice as much as it is now, yet everything stayed the same size, your weight on Earth woulda. quadruple. b. be the same. c. double. d. be eight times as much as now.

In what regions of the electromagnetic spectrum is the atmosphere transparent enough to allow observations from the ground?