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neonofarm [45]
3 years ago
5

A 2 kilogram rabbit starts from rest and is moving at 6m/s after 3 seconds. What net force must be exerted on the rabbit (by the

ground) to cause this change in speed?
Physics
1 answer:
horrorfan [7]3 years ago
8 0
A = (Vf-Vi) / t,
a = (6-0)/3 = 2m/s^2,

F = ma = 2 * 2 = 4N
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Two water jets are emerging from a vessel at a height of 50 centimeters and 100 centimeters. If their horizontal velocities at t
givi [52]
For t1:

t1 = square root of 2h1 / g = square root of 2 * 0.5 / 9.8 = 0.319 sec

For t2:

t2 = sqaure root of 2h2 / g = square root of 2 * 1.0 / 9.8 = 0.451 sec

Wherein:
t = time(s) for the vertical movement
h= height
g = gravity (using the standard 9.8 m/sec measurement)

d1 = 1*0.319 = 0.319 m
d2 = 0.5 * 0.451 = 0.225 m

Where:

d = hor. distance

ratio = d1:d2
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=3.19 : 2.25

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3 years ago
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Answer:

True

Explanation:

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8 0
3 years ago
Please help me to find out my mistake
Scrat [10]

From the calculation, the speed of sound at 10 K is 63.5 m/s.

<h3>What is the speed of sound?</h3>

We know that the speed of sound is directly proportional to the temperature of the body thus we can write;

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Then;

T1 = 0 degrees or 273 K

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V1 = 330 m/s

V2 = ?

330/T2 = √273/10

330/T2 = 5.2

330 = 5.2T2

V2 = 330/5.2

V2 = 63.5 m/s

Learn more about speed of sound:brainly.com/question/15381147

#SPJ1

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artcher [175]
A. The warm air rises! Hope this helps
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