Answer:
d. The hammer falls with a constant acceleration
Explanation:
Since gravity is the only thing that is acting on the hammer as it falls and gravity is a form of acceleration then acceleration of 9.81m/s² which is gravity is the correct answer.
Answer:
Explanation:
1) ½(0.8)t² = 4t
0.4t² = 4t
0.4t = 4
t = 10 s
2) d = vt = 4(10) = 40 m
d = ½atⁿ = ½(0.8)10² = 40 m
3) v = at = 0.8(10) = 8 m/s
I believe that moscovium has 404 subatomic particles because it has 115 protons, 115 electrons, and 174 neutrons
Answer:
The person must be located in the Equator Line. The maximum centripetal acceleration experienced by a person is 0.0337 meters per square second.
Explanation:
Physically speaking, the centripetal acceleration (
), measured in meters per square second, experienced by a person is defined by the following expression:
(1)
Where:
- Angular speed of the Earth, measured in radians per second.
- Distance perpendicular to the rotation axis, measured in meters.
Since rotation axis passes through poles and distance described above is directly proportional to centripetal acceleration. The person must be located in the Equator Line, which is equivalent to the radius of the planet.
In addition, the angular speed of the Earth can be calculated in terms of its period (
), measured in seconds:
(2)
If we know that
and
, then the maximum centripetal acceleration experienced by a person is:


The maximum centripetal acceleration experienced by a person is 0.0337 meters per square second.
Answer:
The answer is
<h2>4 hrs</h2>
Explanation:
To find the time taken we use the formula

where
d is the distance covered
v is the velocity
t is the time
From the question
d = 1200 miles
v = 300 mi/hr
We have

We have the final answer as
<h3>4 hrs</h3>
Hope this helps you