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 68 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
Wow, this really help

ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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.

Nuclear division at the DNA level Nuclear division at the DNA level
Insert the needle with the beveled side up. Keep the angle low, 10 to 30 degrees. Insert the needle with the beveled side up. Keep the angle low, 10 to 30 degrees.
How to find an angle in radians for any given trigonometric function How to find an angle in radians for any given trigonometric function
screen-shot-2017-02-17-at-2-05-17-pm.png screen-shot-2017-02-17-at-2-05-17-pm.png
Mastering Biology Question Mastering Biology Question
You ride a motor scooter 8 km in 10 minutes. Your speed is You ride a motor scooter 8 km in 10 minutes. Your speed is
Video: Central Nervous System Animation

For a complete list of videos, visit our video library