1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
creativ13 [48]
3 years ago
6

What changes a ball velocity

Physics
1 answer:
Grace [21]3 years ago
5 0

Answer/Explanation: Speed and direction can change with time. When you throw a ball into the air, it leaves your hand at a certain speed. As the ball rises, it slows down. Then, as the ball falls back toward the ground, it speeds up again. When the ball hits the ground, its direction of motion changes and it bounces back up into the air.

You might be interested in
Explain what nuclear fusion is in the role it plays in Stars. DO NOT LOOK UP ANSWERS​
Aloiza [94]

Answer:

Stars are powered by nuclear fusion in their cores, mostly converting hydrogen into helium. The production of new elements via nuclear reactions is called nucleosynthesis. A star's mass determines what other type of nucleosynthesis occurs in its core (or during explosive changes in its life cycle).

8 0
3 years ago
Why is it better to breathe through the nose than the mouth?
Citrus2011 [14]
You could get sick by breathing throw your mouth and you have a less chance of getting sick by breathing throw your nose.
3 0
3 years ago
Peg P is driven by the forked link OA along the path described by r = eu, where r is in meters. When u = p4 rad, the link has an
8_murik_8 [283]

Answer:

The transverse component of acceleration is 26.32 m/s^2 where as radial the component of acceleration is 8.77 m/s^2

Explanation:

As per the given data

u=π/4 rad

ω=u'=2 rad/s

α=u''=4 rad/s

r=e^u

So the transverse component of acceleration are given as

a_{\theta}=(ru''+2r'u')\\

Here

r=e^u\\r=e^{\pi/4}\\r=2.1932 m

r'=e^u.u'\\r'=2.1932 \times 2\\r'=4.3864 m

So

a_{\theta}=(ru''+2r'u')\\a_{\theta}=(2.1932\times 4+2\times 4.3864 \times 2)\\a_{\theta}=26.32 m/s\\

The transverse component of acceleration is 26.32 m/s^2

The radial component is given as

a_r=r''-r\theta'^2

Here

r''=e^u.u'^2+e^u u''\\r''=2.1932 \times (2)^2+2.1932\times 4\\r''=17.5456 m

So

a_r=r''-ru'^2\\a_r=17.5456-2.1932\times (2)^2\\a_r=8.7728 m/s^2

The radial component of acceleration is 8.77 m/s^2

6 0
3 years ago
What instrument measures air temperature?
zavuch27 [327]
Its a thermometer . i hope this helps you
5 0
3 years ago
What is a major goal of the federal government when managing land resources?
oksian1 [2.3K]

Answer:

I just took the quiz and got 100% when choosing A.Conservation. Hope this helps:)

4 0
3 years ago
Read 2 more answers
Other questions:
  • A ball is projected horizontally from the top of a cliff. At the same moment, a second identical ball is dropped from rest from
    9·1 answer
  • A projectile is launched horizontally from a height of 8.0 m. The projectile travels 6.5 m before hitting the ground.
    5·1 answer
  • What determines the frequency and amplitude of a vibrating object?
    8·1 answer
  • A car moves to the right as shown. In order for the
    13·1 answer
  • If a 8.0 kg mass is hung on the end of a spring, it is stretched 0.78 meters as a result. What is the force constant of the spri
    6·2 answers
  • A ball of mass m is thrown into the air in a 45° direction of the horizon, after 3 seconds the ball is seen in a direction 30° f
    9·1 answer
  • A bullet with a mass of 4.5 g is moving with a speed of 300 m/s (with respect to the ground) when it collides with a rod with a
    12·1 answer
  • Agreen wire that channels electrons away from a power surge is also called a.
    12·1 answer
  • Someone please answer this, ill give you brainliest and your getting 100 points.
    13·1 answer
  • Lawson's criterion states that the product of ion density and confinement time must exceed a certain number before a break-even
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!