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
Phoenix [80]
3 years ago
5

Fill in the blank. _______________, not velocity, is used to calculate the average acceleration.

Physics
2 answers:
Ainat [17]3 years ago
8 0

Explanation:

Calculating acceleration is complicated if both speed and direction are changing or if you want to know acceleration at any given instant in time. However, it’s relatively easy to calculate average acceleration over a period of time when only speed is changing. Then acceleration is the change in velocity (represented by Δv) divided by the change in time (represented by Δt):

acceleration=ΔvΔt

ArbitrLikvidat [17]3 years ago
4 0

Answer:

speed

Explanation:

You might be interested in
What is the acceleration due to gravity in a region where a simple pendulum having a length 75.000 cm has a period of 1.7357 s?​
Ksju [112]

Answer:

Explanation:

T = 2π\sqrt{L/g}

(T / 2π)² = L/g

g = 4π²L/T²

g = 4π²(0.75000)/(1.7357)²

g = 9.82814766...

g = 9.8281 m/s²

6 0
2 years ago
An object of mass 20 kg is raised vertically through a distance of 8 m above ground level. If g = 10 m/s2, what is the gravitati
IgorC [24]

2400joules

Explanation:

P.E

m= 20kg h=8m g=10m

P.E= 20×8×10

=2400joules

6 0
2 years ago
Martin needs to push a box up a ramp.
creativ13 [48]
Uh I think it is inertia but I could be wrong
8 0
3 years ago
To save money on buying mercury you build a BAROMETER using water as the fluid inside the column. Approximately, how tall is you
kirill115 [55]

To solve this problem we need to use the concepts related to fluid density. Since we need to know a height point of two different liquids, their pressures must be equal, so

P_1 = P_2

\rho_1 gh_1 = \rho_2gh_2

Where,

\rho =Density

g = Gravitational acceleration

h = Height

Our values are given as,

\rho_1 = 1.36*10^4kg/m^3

\rho_2 = 1*10^3kg/m^3

h = 76.02cm \rightarrow Standard mercury pressure at 1atm, the barometer height is 760.2mm.

Replacing we have,

1.36*10^4 *76.02= 10^3*h_2

h_2 = 1033.87cm

Therefore the tall of the barometer would be 1033.87 (Inconvenient compared with the Mercury Barometer)

8 0
3 years ago
Use the following information to answer the next question.
melamori03 [73]

Answer:

1.Emitted primarily through the burning of fossil fuels (oil, natural gas, and coal), solid waste, and trees and wood products. Changes in land use also play a role. Deforestation and soil degradation add carbon dioxide to the atmosphere, while forest regrowth takes it out of the atmosphere.

2.Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

3.Untreated, heat exhaustion can lead to heatstroke, a life-threatening condition that occurs when your core body temperature reaches 104 F (40 C) or higher. Heatstroke requires immediate medical attention to prevent permanent damage to your brain and other vital organs that can result in death.

4.The loss of solar energy in passing through the atmospheric layers is called the atmospheric deflection. ... The longer the path traversed, the greater the amount of radiant energy depleted. Various processes whereby heat energy is lost through the atmosphere are known as scattering, diffusion, absorption, and reflection.

5.Geothermal energy is renewable because the Earth has retained a huge amount of the heat energy that was generated during formation of the planet. In addition, heat is continuously produced by decay of radioactive elements within the Earth. The amount of heat within the Earth, and the amount that is lost though natural processes (e.g. volcanic activity, conduction/radiation to the atmosphere), are much, much more than the amount of heat lost through geothermal energy production. At any one geothermal field, however, the temperature of the geothermal reservoir or the fluid levels/fluid pressure in the reservoir may decrease over time as fluids are produced and energy is extracted. Produced fluids can be re-injected to maintain pressures, although this may further cool down the reservoir if care is not taken. Over time, it is commonly necessary to drill additional wells in order to maintain energy production as temperatures and/or reservoir fluid pressures decline.

6.Floods, Floodplains, and Flood-Prone Areas. ... Flooding is a result of heavy or continuous rainfall exceeding the absorptive capacity of soil and the flow capacity of rivers, streams, and coastal areas. This causes a watercourse to overflow its banks onto adjacent lands.

5 0
3 years ago
Other questions:
  • What is the displacement of the car between t=1s and t=4s
    14·1 answer
  • A refigerator is designed to remove 3 kW from the cold space at -10C while it rejects heat to the kitchen at 25 C. The rate of t
    15·1 answer
  • If a species can adapt to a changing environment, or ____, its descendants will survive.
    5·1 answer
  • The smallest shift you can reliably measure on the screen is about 0.2 grid units. This shift corresponds to the precision of po
    12·1 answer
  • Determine the dimensions (a, b) of an air-filled rectangular waveguide that providessingle mode operation over the frequency ran
    13·1 answer
  • Need help asapppp
    6·2 answers
  • How to be good at rocket league
    13·2 answers
  • 1) Momenum is
    11·1 answer
  • Give a few examples/ applications of the universal law of gravitation​
    12·1 answer
  • How many newtons does a 5-kg backpack weigh on Earth?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!