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trapecia [35]
2 years ago
7

Amanda has started running as her primary form of exercise, but she's getting bored with it and finds excuses to procrastinate.

It's also getting really hot outside now that it's summer, and Amanda's skin is sensitive to the sun. She has a significant budget available to help her fix the problem but is unsure how to spend the money.
What might be the most appropriate purchase for Amanda?


ANSWER please ⬆️⬆️⬆️ correctly! GIVING OUT BRAINLY STARS!!! ​

Physics
2 answers:
Scorpion4ik [409]2 years ago
7 0

Answer:

: An app thr features menu planning with healthy recipes and pairs with a calorie tracking tool

blsea [12.9K]2 years ago
4 0

AnswerB

Explanation:

Just get good

KIDDDDDD

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The product of force and the amount of time the force acts on an object is called:
Evgesh-ka [11]
Impulse is force * time
6 0
3 years ago
In springboard diving, the diver strides out to the end of the board, takes a jump onto its end, and uses the resultant spring-l
NNADVOKAT [17]

Answer:

The diver is in the air for 1.65s.

Explanation:

Hi

  • Known data v_{i}=6.3m/s, y_{i}=3.0m and g=9.8m/s^{2}.
  1. We need to find the time when the diver reaches the highest point, so we use the following equation v_{f} =v_{i}-gt with v_{f}=0ms so t_{1}=\frac{v_{i}-v_{f} }{g}=\frac{6.3m/s}{9.8m/s^{2} }=0.64 s.
  2. Then we need to find the highest point, so we use y=v_{i}t-\frac{1}{2} gt^{2}=(6.3m/s)(0.64s)-\frac{1}{2} (9.8m/s^{2})(0.64s)^{2}=2.03m, this is above the springboard so the highest point is y_{max}=5.03m.

Finally, we need to find the time in free fall, so we use y_{f}=y_{i}+v_{i}t-\frac{1}{2}gt^{2}, at this stage v_{i}=0m/s, y_{i}=5.03m and y_{f}=0m, therefore we have 0m=5.03-\frac{1}{2}(9.8m/s^{2})t^{2}, and solving for t_{2}=\sqrt{\frac{5.03m}{4.9m/s^{2}}} =\sqrt{1.02s^{2}}=1.01s.

Last steep is to sum t_{1} and t_{2}, so t_{T}=t_{1}+t_{2}=0.64s+1.01s=1.65s.

3 0
3 years ago
Calculate the potential energy of a 20-kg sled at 40 meters
irakobra [83]

Answer: 7840N

Explanation:

Given that

Potential energy = ?

Mass of sled = 20-kg

Distance = 40 meters

Acceleration due to gravity = 9.8m/s^2

Recall that potential energy is the energy possessed by a body at rest

i.e potential energy = mass m x acceleration due to gravity g x distance h

P.E = mgh

P.E = 20kg x 9.8m/s^2 x 40m

P.E = 7840N

Thus, the potential energy of the sled is 7840N

5 0
3 years ago
Read 2 more answers
which instrument is best suited for measuring the dimensions of a shoebox? a)a triple-beam balance b)a volumetric flask c)a rule
Aloiza [94]
I believe the correct answer from the choices listed above is option C. The instrument that is <span>best suited for measuring the dimensions of a shoebox would be a ruler. A triple-beam balance is for measuring mass. A volumetric flask is for volume. A caliper is measuring lengths of small objects.</span>
3 0
4 years ago
Read 2 more answers
What is the speed of a transverse wave in a rope of length 2.00 m and mass 60.0 g under a tension of 500 n?
drek231 [11]

The formula we can use in this case would be:

v = sqrt (T / (m / l))

Where,

v = is the velocity of the transverse wave = unknown (?)

T = is the tension on the rope = 500 N

m = is the mass of the rope = 60.0 g = 0.06 kg

 l = is the length of the rope = 2.00 m

Substituting the given values into the equation to search for the speed v:
v = sqrt (500 N/(0.06 kg /2 m)) 
v = sqrt (500 * 2 / 0.06) 
v = sqrt (16,666.67) 
<span>v = 129.10 m/s</span>

7 0
3 years ago
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