Answer:
a
b
Explanation:
From the question we are told that
The length of the Chinook salmon is
The mass of the Chinook salmon is
The upward velocity in water is
The upward velocity in air is
Generally from kinematic equations
=>
=>
=>
=>
Generally magnitude of the force F during this interval in N is mathematically represented as
=>
=>
The specific heat capacity of the metal is
Explanation:
When a substance absorbs a certain amount of heat, its temperature increases according to the equation:
where
Q is the amount of heat absorbed
m is the mass of the substance
C is its specific heat capacity
is the increase in temperature of the substance
For the metal in this problem, we have:
m = 0.3 kg
Q = 9000 J
Therefore, its specific heat is:
Learn more about specific heat capacity:
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brainly.com/question/4759369
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Yes; form the outermost layer it goes: exosphere, thermosphere, mesosphere, stratosphere, and troposphere(the troposphere is where we live).
Answer:
v = 46.67 km/h
Explanation:
We will use the following formula throughout this numerical:
s = vt
where,
s = distance covered
v = speed
t = time taken
<u>FOR FIRST 30 km:</u>
s = 30 km
v = 30 km/h
t = t₃₀ = ?
Therefore,
30 km = (30 km/h)(t₃₀)
t₃₀ = (30 km)/(30 km/h)
t₃₀ = 1 h
<u>FOR TOTAL 100 km:</u>
s = 100 km
v = 40 km/h (Average Speed)
t = total time = ?
Therefore,
100 km = (40 km/h)(t)
t = (100 km)/(40 km/h)
t = 2.5 h
<u>FOR LAST 70 km:</u>
s = 70 km
t₇₀ = t - t₃₀ = 2.5 h - 1 h = 1.5 h
v = v₇₀ = ?
Therefore,
70 km = v(1.5 h)
v = 70 km/1.5 h
<u>v = 46.67 km/h</u>