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You are exercising your hamstring muscle (the large muscle in the back of the thigh). You...
When you bend your knee, thequadriceps muscle is stretched. This increases the tension in the...
When you bend your knee, the
quadriceps muscle is stretched. This increases the tension in the
quadriceps tendon attached to your kneecap (patella), which, in
turn, increases the tension in the patella tendon that attaches
your kneecap to your lower leg bone (tibia). Simultaneously, the
end of your upper leg bone (femur) pushes outward on the patella.
The figure shows how these parts of a knee joint are
arranged.(Figure
1)What size force does the femur exerts on the kneecap
if...
When you bend your knee, the quadriceps muscle is stretched. This increases the tension in the...
When you bend your knee, the quadriceps muscle is stretched.
This increases the tension in the quadriceps tendon attached to
your kneecap (patella), which, in turn, increases the tension in
the patella tenson that attaches your kneecap to your lower leg
bone (tibia). Simultaneously, the end of your upper leg bone
(femur) pushes outward on the patella. See the diagram. In the
quadriceps and patellar tendon let tension = T = 60N.
A) What are the x- and y- components...
When you bend over, a series of large muscles, the erector spinae, pull on your spine to hold you up. (Figure 1) shows...
When you bend over, a series of large muscles, the erector
spine, pull on your spine to hold you up. (Figure 1) shows a
simplified model of the spine as a rod of length L that pivots at
its lower end. In this model, the center of gravity of the 360N
weight of the upper torso is at the center of the spine. The 170N
weight of the head and arms acts at the top of the spine. The
erector...
You are able to hold out your arm in an outstretched horizontal position because of the action of the deltoid muscle. A...
You are able to hold out your arm in an outstretched horizontal position because of the action of the deltoid muscle. Assume the humerus bone has a mass M1=3.6kg, length L=0.66m and its center of mass is a distance L1=0.33m from the scapula. (For this problem ignore the rest of the arm.) The deltoid muscle attaches to the humerus a distance L2=0.15m from the scapula. The deltoid muscle makes an angle of ?=17? with the horizontal, as shown. (Figure 1)...
A 40 g ball rolls around a 50 cm -diameter L-shaped track, shown in the figure,...
A 40 g ball rolls around a 50 cm -diameter L-shaped track, shown in the figure, (Figure 1)at 50 rpm Part A What is the magnitude of the net force that the track exerts on the ball? Rolling friction can be neglected. Hint: The track exerts more than one force on the ball. Express your answer to two significant figures and include the appropriate units. I Å O a ? Fnet = Value Units Submit Previous Answers Request Answer X...
Can you still work out part A? I need another view of working that problem out...
Can you still work out part A? I need another view of working
that problem out
Thanks
An electron and a proton are each moving at 765 km/s in perpendicular paths as shown in (Figure 1). Electron 5.00 nm Proton -X 4.00 nm Part A At the instant when they are at the positions shown, find the magnitude of the total magnetic field they produce at the origin. Express your answer with the appropriate units. B = 1.25 mT Submit...
Please answer both parts correctly, with correct units, and show your work! thanks! Constants A rectangular...
Please answer both parts correctly, with correct units, and show
your work! thanks!
Constants A rectangular loop of wire with dimensions 1.80 cm by 8.00 cm and resistance 0.800 is being pulled to the right out of a region of unitorm magnetic field. The magnetic field has magnitude 2.80 T and is directed into the plane of (Figure 1) At the instant when the speed of the loop is 3.00 m/s and it is still partially in the field region,...
A) You pull on a large box using a rope as in (Figure 1), except the...
A)
You pull on a large box using a rope as in (Figure 1), except
the rope is at an angle of 15.0∘ below the horizontal. The
weight of the box is 325 N , and the coefficient of kinetic
friction between the box and the floor is 0.270. What must be the
tension in the rope to make the box move at a constant
velocity?
Express your answer with the appropriate units..
B) What is the normal force that...
1. According to the paper, what does lactate dehydrogenase (LDH) do and what does it allow...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
When you bend your knee, the
quadriceps muscle is stretched. This increases the tension in the
quadriceps tendon attached to your kneecap (patella), which, in
turn, increases the tension in the patella tendon that attaches
your kneecap to your lower leg bone (tibia). Simultaneously, the
end of your upper leg bone (femur) pushes outward on the patella.
The figure shows how these parts of a knee joint are
arranged.(Figure
1)What size force does the femur exerts on the kneecap
if...
When you bend your knee, the quadriceps muscle is stretched.
This increases the tension in the quadriceps tendon attached to
your kneecap (patella), which, in turn, increases the tension in
the patella tenson that attaches your kneecap to your lower leg
bone (tibia). Simultaneously, the end of your upper leg bone
(femur) pushes outward on the patella. See the diagram. In the
quadriceps and patellar tendon let tension = T = 60N.
A) What are the x- and y- components...
When you bend over, a series of large muscles, the erector
spine, pull on your spine to hold you up. (Figure 1) shows a
simplified model of the spine as a rod of length L that pivots at
its lower end. In this model, the center of gravity of the 360N
weight of the upper torso is at the center of the spine. The 170N
weight of the head and arms acts at the top of the spine. The
erector...
A 40 g ball rolls around a 50 cm -diameter L-shaped track, shown in the figure, (Figure 1)at 50 rpm Part A What is the magnitude of the net force that the track exerts on the ball? Rolling friction can be neglected. Hint: The track exerts more than one force on the ball. Express your answer to two significant figures and include the appropriate units. I Å O a ? Fnet = Value Units Submit Previous Answers Request Answer X...
Can you still work out part A? I need another view of working
that problem out
Thanks
An electron and a proton are each moving at 765 km/s in perpendicular paths as shown in (Figure 1). Electron 5.00 nm Proton -X 4.00 nm Part A At the instant when they are at the positions shown, find the magnitude of the total magnetic field they produce at the origin. Express your answer with the appropriate units. B = 1.25 mT Submit...
Please answer both parts correctly, with correct units, and show
your work! thanks!
Constants A rectangular loop of wire with dimensions 1.80 cm by 8.00 cm and resistance 0.800 is being pulled to the right out of a region of unitorm magnetic field. The magnetic field has magnitude 2.80 T and is directed into the plane of (Figure 1) At the instant when the speed of the loop is 3.00 m/s and it is still partially in the field region,...
A)
You pull on a large box using a rope as in (Figure 1), except
the rope is at an angle of 15.0∘ below the horizontal. The
weight of the box is 325 N , and the coefficient of kinetic
friction between the box and the floor is 0.270. What must be the
tension in the rope to make the box move at a constant
velocity?
Express your answer with the appropriate units..
B) What is the normal force that...
1. According to the paper, what does lactate dehydrogenase
(LDH) do and what does it allow to happen within the myofiber? (5
points)
2. According to the paper, what is the major disadvantage of
relying on glycolysis during high-intensity exercise? (5
points)
3. Using Figure 1 in the paper, briefly describe the different
sources of ATP production at 50% versus 90% AND explain whether you
believe this depiction of ATP production applies to a Type IIX
myofiber in a human....
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