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
Murrr4er [49]
3 years ago
15

A 0.20 kg stone is dropped (from rest) from a height of 40.0 m above the ground. How far above the ground is the stone when it's

velocity is 11.6 m/s [down]?
Physics
1 answer:
Jlenok [28]3 years ago
7 0
The farthest is 12


And the ground has to be 30
You might be interested in
Olivia wants to find out whether a substance will fluoresce. She says she should put it in a microwave oven. Do you agree with h
andreyandreev [35.5K]
Disagree.
Fluoresce objects will only glow when put under actual Ultraviolet light. This is due to the molecules becoming excited by the ultraviolet radiation.


Microwaves give micro-waves that are present in another spectrum of wave length and will not be able to fluoresce the molecules. If it’s not “ultra violet “.... it’s not going to glow.
4 0
2 years ago
Read 2 more answers
A 100 N force is applied to a 500 kg crate resting on frictionless wheels.
Alla [95]

Answer:

<h2>0.2 m/s²</h2>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

a =  \frac{f}{m}  \\

f is the force

m is the mass

From the question we have

a =  \frac{100}{500}  =  \frac{1}{5}  = 0.2 \\

We have the final answer as

<h3>0.2 m/s²</h3>

Hope this helps you

6 0
2 years ago
Read 2 more answers
In a particular experiment to study the photoelectric effect, the frequency of the incident light and the temperature of the met
mixer [17]

Answer:

The kinetic energy of the ejected electrons increases.

Explanation:

As we know that electrons are only ejected from a metal surface if the frequency of the incident light increases the work function of the metal. If the frequency of the incident light is less than the work function of the metal no matter how intense the beam the electrons will not be ejected from the surface.

Using conservation of energy principle we have

E_{incident}=h\nu +\frac{1}{2}mv^{2}

If we increase the intensity  of incident light the term on the LHS of the above equation increases this increase appears in the kinetic energy term in RHS of the equation since h\times \nu remains constant.

5 0
3 years ago
Read 2 more answers
Give two reasons why circular water waves decrease in amplitude
Ronch [10]
1. friction between water molecules
2. the wave spreads out onto a larger and larger area, so per unit area, the energy of the wave goes down
3 0
3 years ago
Pls help! What is the average speed of an airplane that travels from New York to Los Angeles, a total distance of 4800 km, in 6.
Goshia [24]

Answer:

800 meters per hour

Explanation:

800 meters per hour is the average speed of an airplane that travels from New York to Los Angeles, a total distance of 4800 km, in 6.0 hours.

3 0
2 years ago
Other questions:
  • If a car travels 30 mi. north for 30 min., 60 mi. east for 1.0 hour, and 30 mi. south for 30 min., what is the average speed
    7·1 answer
  • The field B = −2ax + 3ay + 4az mT is present in free space. Find the vector force exerted on a straight wire carrying 12 A in th
    6·1 answer
  • How does adding energy to matter by heating it affect the energy of its particles
    15·1 answer
  • police force open a door with 879 N applied directly to a door by a battering ram. if the ram struck 80 cm away from the hinge ,
    15·1 answer
  • What's the diameter of a dish antenna that will receive 10−20W of power from Voyager at this time? Assume that the radio transmi
    14·1 answer
  • Distances (d)=144m<br> Time (t)=12s<br><br><br> What is the speed?
    15·1 answer
  • _________ on a body is produced by the gravitational force of attraction​
    7·1 answer
  • What is the relationship between the mass of the objects and the force exerted?
    8·1 answer
  • Select the correct answer
    11·2 answers
  • Review. (b) What is the mass difference?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!