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
liberstina [14]
3 years ago
13

A student throws a rock upwards. The rock reaches a maximum height 2.4 seconds after it was released. How fast was the rock thro

wn?
Physics
1 answer:
iris [78.8K]3 years ago
3 0

Answer:

how do you know the rock reaches the maximum height

You might be interested in
X-rays with an energy of 86 keV scatter off of stationary electrons. How much energy do the photons scattering at 60° have? A. 7
AveGali [126]

Answer:

A. 79.3 keV

Explanation:

Because the procedure involves many steps for its resolution and it works faster on paper and pencil, the detailed solution of this exercise is attached as a scanned image of the procedure for review.  

In the procedure, the initial values of the problem and the replacement of these values with the correct formulas for this process are taken into account.

7 0
3 years ago
As you lift a book into the air, what kind of energy are you increasing in the book?
frez [133]

Gravitational potential energy.


6 0
3 years ago
Read 2 more answers
Which model represents a fraction greater than 3/5
eimsori [14]
It  depends on what the model looks like, we cant solve it when th model is not present

3 0
3 years ago
Read 2 more answers
What is pH? (NEED ANSWER ASAP)
Pani-rosa [81]

Answer:

the answer is A

Explanation:

pH is a measure of how acidic/basic water

8 0
3 years ago
Choose all the answers that apply.
slava [35]
<h2>So, the correct answers are:</h2>

Travels in longitudinal waves

Travels most slowly through a gas

Speeds up when temperature is increased

Is caused by vibration

Explanation for correct answers:

Yes, it does travel in longitudinal waves

Yes, sounds weird, but travels faster in the water

Yes, does speed up when temperature is increased

And yes, Is caused by vibration.

<h2>Wrong answer is:</h2>

Can travel through a vacuum

Explanation for wrong answer:

actually, in space, there is NO sound, because there are no particals for the sound to vibrate with, there's just empty SPACE.

5 0
3 years ago
Other questions:
  • Who is Lionel messi can you help me please
    8·1 answer
  • How strong is the repulsive force exerted on two point charges that each carry 1.0 E-6 C of negative charge and are 0.30 meters
    12·2 answers
  • landslides and mudslides caused by lava flows are ___ deadly than the lava flow itself. a. more b. less ​
    7·2 answers
  • An injured monkey sits perched on a tree branch 4.5 m above the ground, while a wildlife veterinarian is kneeling down in the bu
    9·1 answer
  • A 100 W electric heater (1 W = 1 J/s) operates for 11 min to heat the gas in a cylinder. At the same time, the gas expands from
    7·1 answer
  • SOMEONE PLEASE ANSWER IM DESPRATE AND NOONES ANSWERING MY QUESTIONS, ILL GIVE U A PICTURE OF MY CAT TO BRIGHTEN YOUR DAY AND BRA
    15·1 answer
  • Which two phenomena make up electromagnetism?
    14·1 answer
  • A 13 omhs resistor has 0.050 A of current in it. What is the potential difference across the resistor.
    5·1 answer
  • What do hurricanes, tornadoes, and thunderstorms have in common?
    15·1 answer
  • A car travels at a velocity of 96 km/h west for 0.5 hour. What is its displacement ?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!