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3 years ago

What is the longest bone in your body

Physics

2 answers:

dsp733 years ago

4 0

The longest bone in a human body is the Fumer (thigh bone)

guajiro [1.7K]3 years ago

4 0

The longest bone in the body is the femur, which is also known as the thighbone. It extends from the above portion of the knee cap and finishes at the femoral head, which is in the hip socket.

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block with of mass m is at rest on horizontal frictionless surface at time t=0. A force given by F=Bt+C is applied horizontally

Alexeev081 [22]

Answer:

$v_{2} =\frac{1}{2}$

Explanation:

From the second law of Newton movement laws, we have:

$F=m*a$ , and we know that a is the acceleration, which definition is:

$a=\frac{dv}{dt}$ , so:

$F=m*\frac{dv}{dt}\\\frac{dv}{dt}=\frac{F}{m}=\frac{\frac{1}{2}(t+1)}{4}=\frac{t+1}{8}$

The next step is separate variables and integrate (the limits are at this way because at t=0 the block was at rest (v=0):

$dv=\frac{1}{8}(t+1)dt\\\int\limits^{v_{2}}_0 \, dv=\int\limits^{2}_{0} {\frac{1}{8}(t+1)} \, dt$

$v_{2}=\frac{1}{8}*(\frac{t^{2}}{2}+t)$ (This is the indefinite integral), the definite one is:

$v_{2}=\frac{1}{8}*(2+2)=\frac{1}{2}$

3 0

3 years ago

A cylindrical container closed of both end has a radius of 7cm and height of 6cm A.)find the total surface area of the container

Natalka [10]

Given:

A cylindrical container closed of both end has a radius of 7cm and height of 6cm.

Explanation:

A.) Find the total surface area of the container.

A = 2πrh + 2πr²
A = 2(3.14)(7)(6) + 2(3.14)(7 × 7)
A = 263.76 + 307.72
A = 571.48

B.) Find the volume of the container.

V = πr²h
V = (3.14)(7×7)(6)
V = 923.16

Not sure huhuness.

#CarryOnLearning

8 0

3 years ago

Read 2 more answers

Tortoise and the Hare

Tanya [424]

The answer would be D. The tortoise moved at a constant velocity throughout the race; the hare stopped to rest periodically.

Hope this helped. Good luck!

3 0

3 years ago

Read 2 more answers

A 500-kilogram sports car accelerates uni-

timama [110]

Answer:

90 meters

Explanation:

Given:

x₀ = 0 m

v₀ = 0 m/s

v = 30 m/s

t = 6 s

Find:

x = x₀ + ½ (v + v₀)t

x = 0 + ½ (30 + 0)(6)

x = 90

The car travels 90 meters.

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3 years ago

According to the law of conservation of momentum, the ____________________ amount of momentum of a group of objects does not cha

erica [24]

According to the law of conservation of momentum, the TOTAL amount of momentum of a group of objects does not change unless outside _____FORCES____ act on the objects.

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3 years ago