This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A cannon of mass 1 300 kg fires a 13.6-kg shell with a velocity of 180 m/s at an angle of 45 above ... (Read 194 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
on: Jul 28, 2018
A cannon of mass 1 300 kg fires a 13.6-kg shell with a velocity of 180 m/s at an angle of 45 above the horizontal. Find the recoil velocity of the cannon across the level ground.
 a. 1.88 m/s
  b. 1.33 m/s
  c. 0.376 m/s
  d. 0.666 m/s
  e. 0.942 m/s

Question 2

A 75.0-kg swimmer dives horizontally off a 465-kg raft initially at rest. If the diver's speed immediately after leaving the raft is 5.00 m/s, what is the corresponding raft speed?
 a. 31.0 m/s
  b. 375 m/s
  c. 0.806 m/s
  d. 1.24 m/s
  e. 5.00 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bobsmith

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

c


jrubin

  • Member
  • Posts: 552
Reply 2 on: Jul 28, 2018
Gracias!

scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Reaction velocity as a function of substrate concentration Reaction velocity as a function of substrate concentration
Mass Wasting Triggers Mass Wasting Triggers
Relationship of Sun Angle and Solar Radiation Relationship of Sun Angle and Solar Radiation
MOMENTUM AND IMP meteor(158 kg) is moving with a velocity of 127 m/s , and breaks into two ... MOMENTUM AND IMP meteor(158 kg) is moving with a velocity of 127 m/s , and breaks into two ...
A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to
Video: Definition of heart rate

For a complete list of videos, visit our video library