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zzz [600]
2 years ago
11

Alessandro has committed to riding his bike to and from school when the weather is good. All week, he rides to school without an

y problems. But on Friday, he remembers that he must bring home equipment for a science experiment that is too big to carry on a bike. What did Alessandro forget to do before making his lifestyle change? consider his conflicts
B.
set a routine
C.
choose an exercise
D.
consider his schedule
Physics
1 answer:
kodGreya [7K]2 years ago
3 0

Answer: D- Consider his schedule

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Answer:

is there a picture of it

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2 years ago
A 75.0 kg diver falls from rest into a swimming pool from a height of 5.10 m. It takes 1.34 s for the diver to stop after enteri
vichka [17]

Answer:

559.5 N

Explanation:

Applying,

v² = u²+2gs............. Equation 1

Where v = final velocity,

From the question,

Given: s = 5.10 m, u = 0 m/s ( from rest)

Constant: 9.8 m/s²

Therefore,

v² = 0²+2×9.8×5.1

v² = 99.96

v = √(99.96)

v = 9.99 m/s

As the diver eneters the water,

u = 9.99 m/s, v = 0 m/s

Given: t = 1.34 s

Apply

a = (v-u)/t

a = 9.99/1.34

a = -7.46 m/s²

F = ma.............. Equation 2

Where F = force, m = mass

Given: m = 75 kg, a = -7.46 m/s²,

F = 75(-7.46)

F = -559.5 N

Hence the average force exerted on the diver is 559.5 N

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2 years ago
Current passes through a solution of sodium chloride. In 1.00 s, 2.68×1016Na+ ions arrive at the negative electrode and 3.92×101
Tanzania [10]

Explanation:

Given that,

Number of sodium ions at the negative electrode, Na^+=2.68\times 10^{16}

Number of chloride ions at the positive electrode, Cl^-=3.92\times 10^{16}

(a) The current flowing in the circuit is due to the positive as well as negative charges such that total charge becomes:

Q=(Na^++Cl^-)e

Q=(2.68\times 10^{16}+3.92\times 10^{16})(1.6\times 10^{-19})

Q = 0.01056 C

The current is given by :

I=\dfrac{Q}{t}

I=\dfrac{0.01056}{1}=10.56\ mA

So, the current passing between the electrodes is 10.56 mA.

(b) The direction of electric current is towards negative electrodes.

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3 years ago
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3. Distance is a quantity that is always a vector.

B.

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If an object’s mass is constant, what is its momentum proportional to?
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I believe it is velocity correct me if I’m wrong
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