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

Author Question: A high-speed dart is shot from ground level with a speed of 150 m/s at an angle 30 above the ... (Read 119 times)

michelleunicorn

  • Hero Member
  • *****
  • Posts: 565
on: Jul 29, 2018
A high-speed dart is shot from ground level with a speed of 150 m/s at an angle 30 above the horizontal. What is the vertical component of its velocity after 4.0 s if air resistance is neglected?
 
  A) 130 m/s B) 150 m/s C) 38 m/s D) 36 m/s E) 75 m/s

Question 2

A 3.0-kg brick rests on a perfectly smooth ramp inclined at 34 above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached to a wall above the brick.
 
  The spring has a spring constant (force constant) of 120 N/m. By how much does the spring stretch with the brick attached?
  A) 36 cm B) 360 cm C) 24 cm D) 14 cm E) 240 cm
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

raili21

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 29, 2018
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


michelleunicorn

  • Member
  • Posts: 565
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

This illustration shows the decibel level in various locations and associated with different ... This illustration shows the decibel level in various locations and associated with different ...
Whenever a vehicle is raised off the ground, a safety stand should be placed under the frame, axle, ... Whenever a vehicle is raised off the ground, a safety stand should be placed under the frame, axle, ...
Mastering Biology Question Mastering Biology Question
Blunt percussion over the left costovertebral angle Blunt percussion over the left costovertebral angle
Changing Sun Angle Changing Sun Angle
During a period of high power demand, the voltage output of the power company is reduced by ... During a period of high power demand, the voltage output of the power company is reduced by ...
Video: Secondary and tertiary levels of protein structure Animation

For a complete list of videos, visit our video library