« previous next »

Author Question: Two baseballs are released at the same time. One is dropped from rest and the other is given an ... (Read 56 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
on: Jul 28, 2018
Two baseballs are released at the same time. One is dropped from rest and the other is given an initial horizontal velocity. Which of the following is not true? Ignore atmospheric drag.
 a. Both baseballs hit the ground at the same time.
  b. Both have the same vertical component of velocity as they reach impact.
  c. The horizontal component of velocity increases at a greater rate than the vertical component of velocity for both while they are both in the air.
  d. The horizontally-released ball has a greater speed than the other ball for the whole trip.

Question 2

Two projectiles are launched at 100 m/s, the angle of elevation for the first being 30 and for the second, 60. Which of the following statements is false?
 a. Both projectiles have the same acceleration while in flight.
  b. The second projectile has the lower speed at maximum altitude.
  c. Both projectiles have the same range.
  d. All of the above statements are false.


pangili4

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho
When Union troops pushed toward Richmond in June of 1862, these slaves crossed the Rappahannock Rive When Union troops pushed toward Richmond in June of 1862, these slaves crossed the Rappahannock Rive
Different time courses of hypersensitivity reactions. Different time courses of hypersensitivity reactions.
Endogenous Analgesic Compounds Released After Pain Stimuli Endogenous Analgesic Compounds Released After Pain Stimuli
Time vs. USA Population Exponential Time vs. USA Population Exponential
An electron is accelerated from rest through a potential difference. After acceleration the ... An electron is accelerated from rest through a potential difference. After acceleration the ...
Video: Darwin's Observation (Fossils, Galapagos Islands & Africa ) and Natural Selection (Adaptive Traits)

For a complete list of videos, visit our video library