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
harkovskaia [24]
3 years ago
15

Rock A is thrown horizontally off of a cliff with a velocity of 20m/s. The rock lands 60m from the base of the cliff.

Physics
1 answer:
mixas84 [53]3 years ago
4 0

Answer:

B. 44.1

Explanation:

We can use the equation y=1/2gt^2 to find the distance in the vertical direction, where y= distance in the vertical direction, g=acceleration due to gravity, and t=time

we only know acceleration due to gravity(9.8m/s^2),

plug in known variables,

y=1/2*9.8*t^2

we still need to plug in the time variable.

In order to do that, we an use the s=d/t equation and re arrange that formula to get: t=d/s, where t=time, d=distance, and s=speed.

plug in known variables,

t=60/20

t=3

now that we know the time, we can plug that into our original equation

y=1/2*9.8*3^2

simplify,

y=4.9*3^2

y=4.9*9

y=44.1m

Thus, B is your answer

You might be interested in
What is the average speed of particles of atoms at room temperature?
Paha777 [63]

Answer:

300 meters per second. That's equal to about 670 miles per hour.

Explanation:

Not only are air particles incredibly small, they are always moving. And they move fast. At room temperature, they are going about 300 meters per second. That's equal to about 670 miles per hour.

8 0
3 years ago
What is the concentration of H+ ions at a pH = 2? mol/L What is the concentration of OH– ions at a pH = 2? mol/L What is the rat
densk [106]

Answer:

In Step 5, you will calculate H+/OH– ratios for more extreme pH solutions. Find the concentration of H+ ions to OH– ions listed in Table B of your Student Guide for a solution at a pH = 2. Then divide the H+ concentration by the OH– concentration. Record these concentrations and ratio in Table C.

What is the concentration of H+ ions at a pH = 2?

0.01   mol/L  

What is the concentration of OH– ions at a pH = 2?

0.000000000001   mol/L  

What is the ratio of H+ ions to OH– ions at a pH = 2?

10,000,000,000 : 1

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

I LITERALLY spent 40 MINUTES trying to figure out this question, so please, use my VERY CORRECT answers!

I hope this helps!

4 0
3 years ago
What state of matter has a define volume but no definite shape ?
mariarad [96]

Liquid has no definite volume or shape.

6 0
3 years ago
Read 2 more answers
List any 10 home appliance in which different types of electric components are used
ycow [4]

Air Conditioner.

Washing Machine.

Refrigerator.

Induction Stove.

Vacuum Cleaner.

Camera

Microwave Oven.

Water Purifier

8 0
2 years ago
When heat is removed from a substance , describe how the molecules are affected
kkurt [141]

I believe they would electron rate would slow down and the molecules would shrink.

I am almost positive that this is correct. I hope it helps!

6 0
3 years ago
Read 2 more answers
Other questions:
  • How do you producers consumers and decomposers all live in a cycle
    9·1 answer
  • What do radiant and sound energy have in common ?
    13·1 answer
  • Please help. ill make you BRAINLIEST
    9·1 answer
  • A uniform electric field has magnitude E and is directed in the negative x direction. The potential difference between point a (
    10·1 answer
  • What is the minimum total energy released when
    11·2 answers
  • A sound wave (a periodic longitudinal wave) from a loudspeaker travels from air into water. The frequency of the wave does not c
    15·1 answer
  • A bullet that has been too badly mutilated to mark can be
    7·1 answer
  • Please hurry please
    7·1 answer
  • when drawing a scatter diagram, along which axis is the explanatory variable placed? along which axis is the response variable p
    10·1 answer
  • What current is required in the windings of a long solenoid that has 1580 turns uniformly distributed over a length of 0.44 m in
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!