Answer:
1100 m
Explanation:
Given:
y = 0 m
v₀ = 0 m/s
a = -9.8 m/s²
t = 15.0 s
Find: y₀
y = y₀ + v₀ t + ½ at²
0 m = y₀ + (0 m/s) (15.0 s) + ½ (-9.8 m/s²) (15.0 s)²
y₀ ≈ 1100 m
Answer:
A few of the positive particles aimed at a gold foil seemed to bounce back
Explanation:
What is wrong with the diagram is : ( 4 )
- The spot with the "maximum kinetic energy" should be on the lowest point of the roller coaster at the far left side on the bottom.
<h3>Gravitational potential energy vs kinetic energy</h3>
The maximum gravitational potential energy is located at the highest peak which the roller coaster attains while as the roller coaster comes down from the peak the gravitational potential energy decreases while the kinetic energy increases.
The point at which the roller coaster should attain it maximum kinetic energy should be at the lowest point ( i.e far left side of the bottom ).
Hence we can conclude that error in the diagram is the spot with the "maximum kinetic energy" should be on the lowest point of the roller coaster at the far left side on the bottom.
Learn more about Kinetic energy: brainly.com/question/25959744
D, water vapor. Gaseous state would have more kinetic energy, they are moving faster. If you have to compare the same state, then higher temperature would have the higher kinetic energy. But if you have solid and liquid at the same temperature - then liquid would have more.
Answer:
120 miles/hour
Explanation:
The average speed is the ratio of total distance covered by an object or a body to the total time taken to cover the distance.
Mathematically,
<em>Average speed = total distance covered/total time taken</em>
In the case of Connie:
total distance = 180 + 180 = 360 miles
In order to calculate the time for each trip
<em>speed = distance/time</em>
<em> time = distance/speed</em>
From Phoenix to flagstaff:
time = 180/180 = 1 hour
From flagstaff back to Phoenix:
time = 180/90 = 2 hours
total time taken = 1 + 2 = 3 hours
Average speed = 360/3 = 120 miles/hour
<em>Hence, the average speed is </em><em>120 miles per hour.</em>