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

Author Question: A catapult fires an 800-kg rock with an initial velocity of 100 m/s at a 40 angle to the ground. The ... (Read 168 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Aug 1, 2020

Question 1

A car of mass m1 traveling at velocity v passes a car of mass m2 parked at the side of the road. The momentum of the system of two cars is

◦
0.

◦
m1v.

◦
(m1−m2)v.

◦

◦
(m1 + m2)v.


Question 2

A catapult fires an 800-kg rock with an initial velocity of 100 m/s at a 40° angle to the ground. The magnitude of the horizontal impulse the catapult receives from the rock is

◦
5.1 × 104 Ns.

◦
6.1 × 104 Ns.

◦
8.0 × 104 Ns.

◦
5.0 × 105 Ns.

◦
6.0 × 105 Ns.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by sdfghj on Aug 1, 2020

Koolkid240

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Aug 1, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


sdfghj

  • Member
  • Posts: 552
Reply 2 on: Aug 1, 2020
Gracias!

Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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.

A watchful "rock chuck" or Yellow-bellied Marmot (Marmota flaviventris) atop Mount Dana, Y A watchful "rock chuck" or Yellow-bellied Marmot (Marmota flaviventris) atop Mount Dana, Y
Granite: a Common Rock in Continental Crust Granite: a Common Rock in Continental Crust
(a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D (a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D
Drive-on ramps are dangerous to use. The wheels on the ground level must be chocked (blocked) to ... Drive-on ramps are dangerous to use. The wheels on the ground level must be chocked (blocked) to ...
Landmarks for urinary assessment: The costovertebral angle Landmarks for urinary assessment: The costovertebral angle
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
Video: Introduction to Human Immunodeficiency Virus (HIV)

For a complete list of videos, visit our video library