« previous next »

Author Question: What is the magnitude of the vertical-velocity component of the rock as it hits the ground? a. 8.81 ... (Read 126 times)

tichca

  • Hero Member
  • *****
  • Posts: 554
on: Jul 28, 2018
What is the magnitude of the vertical-velocity component of the rock as it hits the ground?
 a. 8.81 m/s
  b. 7.39 m/s
  c. 25.8 m/s
  d. 19.3 m/s

Question 2

A projectile is launched at an angle less than 30 and at speed v. Which will increase the projectile's range more, ignoring atmospheric drag?
 a. doubling the launch angle b. increasing the speed of launch by 50
  c. reducing the mass of the projectile d. launching on February 29th


IAPPLET

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

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

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground. By reflecting most visible light, snow creates a much cooler microclimate than nearby bare ground.
Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ... Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ...
Vertical Variations in Composition Vertical Variations in Composition
Stretch the flexor muscles with hyperextension at the wrist. Hold the forearm vertical with one ... Stretch the flexor muscles with hyperextension at the wrist. Hold the forearm vertical with one ...
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (c) The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (c)
Rock Cornish Game Hen Rock Cornish Game Hen
Video: Pericarditis

For a complete list of videos, visit our video library