Author Question: A 70-kg swimmer dives horizontally off a 500-kg raft. The diver's speed immediately after leaving ... (Read 191 times)

shenderson6

  • Hero Member
  • *****
  • Posts: 573
A 70-kg swimmer dives horizontally off a 500-kg raft. The diver's speed immediately after leaving the raft is 6.0 m/s. A micro-sensor system attached to the edge of the raft measures the time interval during which the diver applies an impulse to the raft just prior to leaving the raft surface. If the time interval is read as 0.25 s, what is the magnitude of the average horizontal force by diver on the raft?
 a. 110 N
  b. 420 N
  c. 2 000 N
  d. 1 700 N
  e. 24 N

Question 2

The units of impulse are equivalent to:
 a. those of energy.
  b. N/m.
  c. kg/m/s.
  d. those of force.



dominiqueenicolee

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

d

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

For a complete list of videos, visit our video library