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Anuta_ua [19.1K]
3 years ago
12

Strength training lessens bone loss.

Physics
2 answers:
ale4655 [162]3 years ago
8 0

Answer:

That would be true

Explanation:

That is, if the question is referring to women, many women who lift weights gain stress fractures in their bones. Men can eventually develop osteoporosis but is uncommon with (normal) strength training. so if bone loss means osteoporosis then false

salantis [7]3 years ago
5 0
Strength training lessens bone loss. True
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Mrs. Waid drives her car up Route 8 at 80mph. If her car weighs 2500 lbs,
Anvisha [2.4K]

1.358 J is the kinetic energy of the car driven by Mrs. Waid.

<u>Explanation:</u>

Given data:

Velocity at which Mrs. Waid drives her car = 80 mph

In order to convert mph (meter per hour) into mps (meter per second),

         \frac{80}{3600}=0.0222 \mathrm{m} / \mathrm{s}

Car weighs 2500 lbs, means mass of the car, m = 2500 lbs

I kilo gram = 2.20462 pound

Therefore, 1 pound (lb)=  0.45359237 kilograms (kg).

To converting pounds into kilogram,

               \frac{2500}{0.45359237}=5511.55 \mathrm{kg}

As we know, the kinetic energy can be defined as directly proportionate to the object’s mass (m) and square of its velocity (v). The expression can be given as below,

               \text { kinetic energy }(K . E)=\frac{1}{2} \times m \times v^{2}

By substituting the given values, we get

              \text { kinetic energy }(K . E)=\frac{1}{2} \times 5511.55 \times 0.0222^{2}

              \text { kinetic energy }(K . E)=\frac{1}{2} \times 5511.55 \times 0.00049

              kinetic energy (K . E)=1.358 joule

3 0
4 years ago
A rollercoaster moves from the bottom of a hill and approaches the top of the hill. If friction between the wheels and the track
Fudgin [204]

Answer:

The kinetic energy decreases, and gravitational potential energy increases.

Explanation:

The rollercoaster will slow down as it goes up the hill, so kinetic energy should not increase.

4 0
3 years ago
I need help ASAP 8th GRADE SCIENCE
vaieri [72.5K]

Answer:

The answer is gravitational force

Explanation:

4 0
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If the temp and pressure stay the same, 3 different pieces of the same material will have the same__________
valentina_108 [34]
The answer is Volume.
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4 years ago
!!PLEASE ANSWER ASAP!!
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The answer is B. The electric screw driver increased the work. You would rather have an electric one than doing it all by hand. Hope this helps!

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3 years ago
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