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
Neko [114]
3 years ago
8

How do you find average velocity during free fall?

Physics
2 answers:
Genrish500 [490]3 years ago
6 0
The sum of the initial and final velocity divided by 2.
Gekata [30.6K]3 years ago
6 0
- 400 all over 5 minus 0 which is negative 400 minus 5 which is going to be negative 80 feet perMore
You might be interested in
Which material is a conductor?<br> A. chalk<br> B. lead<br> C. leather<br> D. paper<br> E. rubber
Elan Coil [88]

B. Lead is a conductor....

8 0
3 years ago
Which of the following statements about the impact of biotechnology on the environment is not true?
Vladimir79 [104]

E)  Biotechnology use can lead to an increase in soil erosion and pollution runoff through decreased pesticide use.

Explanation:

Biotechnology use cannot lead to an increase in soil erosion and pollution runoff through decreased pesticide use.

There is no relationship between biotechnology use and increase soil erosion and pollution run off.

Biotechnology involves the application of technology based on living things.

learn more:

Influence of science on society.

#learnwithBrainly

3 0
3 years ago
Read 2 more answers
Which of the following is a metal? Calcium (Ca) Iron (Fe) Sodium (Na) all of these
ANTONII [103]
Iron (Fe) or at least it can be.

8 0
3 years ago
Read 2 more answers
A 51.0 kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 225 N. For the first 10.0 m th
shepuryov [24]

Answer:

The final speed of the crate is 12.07 m/s.

Explanation:

For the first 10.0 meters, the only force acting on the crate is 225 N, so we can calculate the acceleration as follows:

F = ma

a = \frac{F}{m} = \frac{225 N}{51.0 kg} = 4.41 m/s^{2}

Now, we can calculate the final speed of the crate at the end of 10.0 m:

v_{f}^{2} = v_{0}^{2} + 2ad_{1}                  

v_{f} = \sqrt{0 + 2*4.41 m/s^{2}*10.0 m} = 9.39 m/s    

For the next 10.5 meters we have frictional force:

F - F_{\mu} = ma

F - \mu mg = ma

So, the acceleration is:

a = \frac{F - \mu mg}{m} = \frac{225 N - 0.17*51.0 kg*9.81 m/s^{2}}{51.0 kg} = 2.74 m/s^{2}

The final speed of the crate at the end of 10.0 m will be the initial speed of the following 10.5 meters, so:

v_{f}^{2} = v_{0}^{2} + 2ad_{2}  

v_{f} = \sqrt{(9.39 m/s)^{2} + 2*2.74 m/s^{2}*10.5 m} = 12.07 m/s  

Therefore, the final speed of the crate after being pulled these 20.5 meters is 12.07 m/s.  

I hope it helps you!                              

7 0
3 years ago
Whats the difference between an inner planet and an outer planet
Kryger [21]
The outer planets<span> are further away, larger and made up mostly of gas. The </span>inner planets<span> (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars. After an asteroid belt comes the </span>outer planets<span>, Jupiter, Saturn, Uranus and Neptune.</span>
8 0
3 years ago
Read 2 more answers
Other questions:
  • How far will a football travel if it is booted at a speed of 15 m/s and travels for 3 seconds?
    12·1 answer
  • A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the bl
    8·1 answer
  • An error in witch macromolecule is the cause of hemophilia
    14·2 answers
  • a tiger leaps horizontally from a 5.7m high rock with a speed of 4.1m/s. How far from the base of the rock will she land
    13·1 answer
  • A hula hoop is rolling along the ground with a translational speed of 26 ft/s. It rolls up a hill that is 16 ft high. Determine
    14·1 answer
  • What is the most likely elevation of point B?<br>a. 150 ft<br>b. 200 ft<br>c. 125 ft<br>d. 225 ft​
    5·2 answers
  • What is the net force on an object when you combine a force of 10n north with a force of 5n south?
    6·1 answer
  • Do you think it is possible to control the magnetic properties of a magnet? Can a magnet be turned on and off?
    12·1 answer
  • a 1.00 kg mass is placed at the free end of a compressed spring. The force constant of the spring is 115 N/m. The spring has bee
    11·1 answer
  • What do we call the combination of all food chains in a given ecosystem
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!