During a race, a horse's speed increases from 65 m/s to 73 m/s during the last 5.0 seconds of that race What was the rate of acceleration during this time?
Answers
During a race, a horse's speed increases from 65 m/s to 73 m/s during the last 5.0 seconds of that race, 1.60 m/s² was the rate of acceleration during this time.
What do you mean by an acceleration ?
The rate of change of velocity is defined as acceleration. Acceleration usually indicates that the speed is changing, but this is not always the case. When an object moves in a circular path at a constant speed, it is still accelerating because its velocity direction changes.
Acceleration occurs when the speed of an object increases or decreases, or when it changes direction. Acceleration, like velocity, has two types: average and instantaneous.
a = v - v₀ / t
Then, a = 73 × 65 / 5
a = 1.60 m/s²
Thus, 1.60 m/s² was the rate of acceleration during this time.
To learn more about an acceleration, follow the link;
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Answer:
1.6m/s²
Explanation:
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Related Questions
What is the difference between transverse and longitudinal waves? Transverse waves always travel at smaller speeds than do longitudinal waves. In a transverse wave the disturbance always occurs perpendicular to the direction in which the wave travels, whereas in a longitudinal wave the disturbance always occurs parallel to the line of travel of the wave. Transverse waves always carry more energy than do longitudinal waves. In a transverse wave the disturbance always occurs parallel to the line of travel of the wave, whereas in a longitudinal wave the disturbance always occurs perpendicular to the direction in which the wave travels. Transverse waves always have greater frequencies than do longitudinal waves.
Describe the relationship between a moving objects mass and its kinetic energy
The Sun transfers energy to the atmosphere primarily by _____.conduction convection radiation all of the above
A typical mirror in a person's house would be an example of a/an _______ mirror. A. convex B. plane C. angular D. concave
Answers
Answers
Answer:
The answer is
84.9 kPa
Explanation:
Using Boyle's law to find the final pressure
That's
where
P1 is the initial pressure
P2 is the final pressure
V1 is the initial volume
V2 is the final volume
Since we are finding the final pressure
From the question
P1 = 115 kPa
V1 = 480 mL
V2 = 650 ml
So we have
We have the final answer as
84.9 kPa
Hope this helps you
). What's the force of gravity acting on the column of water?
A. 73,500 N
B. 102,900 N
C. 68,600 N
D. 110,700 N
Answers
Given:
liquid column is 7 meters and the area is 1.5 square meters (m2)
Required:
force of gravity
solution:
P = F/A where P is pressure, F is force and A is area
Since P = DgH where D is density, g is gravitational acceleration and H is height
DgH = F/A
F = ADgH
Let us assume D for water is 1000kg/m3
F = (1.5m2)(1000kg/m3)(9.8m/s2)(7m)
F = 102,900N
your answer is B. 102,900 N
i just took the test
A. igneous rock
B. volcanic rock
C. sedimentary rock
D. metamorphic rock
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Answer:
C
Explanation:
- Sedimentary rock is produced when sediments are compressed and bound together by cement.
- Sedimentary rock is described as sand on a beach that slowly changes into sandstone over time.
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Answer:
The resistance of the tungsten coil at 80 degrees Celsius is 15.12 ohm
Explanation:
The given parameters are;
The resistance of the tungsten coil at 15 degrees Celsius = 12 ohm
The temperature coefficient of resistance of tungsten = 0.004/°C
The resistance of the tungsten coil at 80 degrees Celsius is found using the following relation;
R₂ = R₁·[1 + α·(t₂ - t₁)]
Where;
R₁ = The resistance at the initial temperature = 12 ohm
R₂ = The resistance of tungsten at the final temperature
t₁ = The initial temperature = 15 degrees Celsius
t₂ = The final temperature = 80 degrees Celsius
α = temperature coefficient of resistance of tungsten = 0.004/°C
Therefore, we have;
R₂ = 12×[1 + 0.004×(80 - 15)] = 15.12 ohm
The resistance of the tungsten coil at 80 degrees Celsius = 15.12 ohm.
Answers
Answer : The correct option is, (A) thermal
Explanation :
Solar cell is a type of electrical device or p-n junction that converts the light or thermal energy directly into the electrical energy by using the photovalotic effect.
In the process of the energy conversion first require a material that absorbs the solar energy and raise the electron to the higher energy level and then flow of high energy electron to an external circuit. In this energy conversion, the silicon material is used.
Hence, the solar cells convert thermal energy into electrical energy.
In short, Your Answer would be Option B
Hope this helps!