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 211 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
Wow, this really help

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Crawl out from under that rock, finals are over! Crawl out from under that rock, finals are over!
Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground
Rock layers (strata) usually look like layers in a cake such as these strata at Olduvai Gorge Tanzan Rock layers (strata) usually look like layers in a cake such as these strata at Olduvai Gorge Tanzan
Surface winds travel at an angle across isobars, toward low pressure. Surface winds travel at an angle across isobars, toward low pressure.
Figure and Ground Figure and Ground
Video: Adolescent Diabetes

For a complete list of videos, visit our video library