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sleet_krkn [62]
3 years ago
11

A person is running at 2 m/s and 20 s later is running at 22 m/s. What is

Physics
1 answer:
AysviL [449]3 years ago
8 0
I think it’s 1 m/s^2
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If it takes a ball dropped from rest 2.261 s to fall to the ground, from what height H was it released? Express your answer in m
algol [13]

Answer:

Height, H = 25.04 meters

Explanation:

Initially the ball is at rest, u = 0

Time taken to fall to the ground, t = 2.261 s

Let H is the height from which the ball is released. It can be calculated using the second equation of motion as :

H=ut+\dfrac{1}{2}at^2

Here, a = g

H=\dfrac{1}{2}gt^2            

H=\dfrac{1}{2}\times 9.8\times (2.261)^2

H = 25.04 meters

So, the ball is released form a height of 25.04 meters. Hence, this is the required solution.

7 0
2 years ago
For each of the following, draw the resulting wave when the two pulses occupy the same space. Unless otherwise noted, each wave
frozen [14]

Answer:

A

Explanation:

because it is are of circle

4 0
3 years ago
A redecor travelling of 94 m/s s lows at a anstant
kotykmax [81]

Answer:

638 m.

Explanation:

From the question given above, the following data were obtained:

Initial velocity (u) = 94 m/s

Final velocity (v) = 22 m/s

Time (t) = 11 s

Distance (s) =?

We can obtain the distance travelled by using the following formula:

s = (u + v) t /2

s = (94 + 22) × 11 /2

s = 116 × 11 /2

s = 1276 /2

s = 638 m

Thus, the distance travelled is 638 m.

3 0
3 years ago
A wire with a resistance of 20 Ω is connected to a 12-V battery. What is the current flowing through the wire?
erma4kov [3.2K]
Current is 0.6 Amps i think
8 0
3 years ago
Read 2 more answers
Albert Einstein was a famous physicist.
Eva8 [605]
Genus’s mastermind hope that helps
4 0
3 years ago
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