You are sitting at a bench, you reach up and grab a bar hanging above your...
Homework Answers
The primary muscle used when you pull a bar hanging above your head while you are sitting on a bench is Latissimus dorsi. It is the same primary muscle used for pull ups.
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You are sitting at a bench, you reach up and grab a bar
hanging above your...
You throw a ball straight up, and it reaches a height of 22 m above your...
You throw a ball straight up, and it reaches a height of 22 m above your hand before falling back down. What was the speed of the ball just after it left your hand? m/s
When you are sitting in a chair looking at two objects that are above your eye level, it appears to you that object...
When you are sitting in a chair looking at two objects that are above your eye level, it appears to you that object A is above object B. When you stand up, object A appears to be below object B. Use the concept of parallax to decide which of the two objects is closer to you Explain your reasoning. What you What you see while see while standing sitting Draw a side - view diagram to show how the relative...
The main muscles that hold your head upright attach to your spine in back of the...
The main muscles that hold your head upright attach to your
spine in back of the point where your head pivots on your neck. The
figure provided shows typical numbers for the distance from the
pivot to the muscle attachment point and the distance from the
pivot to the center of gravity of the head. The muscles pull down
to keep your head upright. If the muscle relaxes—if, for instance,
you doze in one of your classes besides Physics—your head...
Your cousin's baby carrier has a toy hanging vertically on a spring from the top of...
Your cousin's baby carrier has a toy hanging vertically on a spring from the top of the carrier, when you start at t = 0 by releasing the toy from being pulled down 10cm, it bobs up and down 2 cycles every second. Plot the y-position of the toy vs. time below, showing at least two complete cycles of oscillations. Use positive y- direction as upwards and negative y-direction as downwards. Draw your graph, take a picture, and upload it...
Pull alla paper. It's late at night, you are very Uudre falling asleep and your head...
Pull alla paper. It's late at night, you are very Uudre falling asleep and your head is tilting forward when suddenly, "POP" you hear a loud sound outside of your house. You then move your head up, stand up and turn to see what is behind you. Answer the following questions by filling up the table below: 1) List all the synovial joint movements done from sitting in your couch to nodding your head. 2) List all the joints involved...
You set up an experiment with two polarizer screens on an optical bench and collect data...
You set up an experiment with two polarizer screens on an optical bench and collect data for the intensity of the light at the detector as you vary the relative angle between the transmission axes of the polarizers. You create a plot of light intensity (in lux) vs cos2 θ with your data and get a linear fit for your graph gives a slope of 120.2 ± 1.204 and a y-intercept of 15.45 ± 2.141. (a) What is intensity of...
You take the opportunity to stock up on snacks and head on your way. You wind...
You take the opportunity to stock up on snacks and head on your way. You wind along the road for quite some time before you find a very dark site and pull of onto dirt road. About 100 meters up the road your passage is stopped by a metal gate. The gate consists of a single heavy bar stretching 6 meters across the road. It looks like schedule 5 stainless steel pipe, of all things, clocking in at about 7...
type the answer Well the weather finally got nice. You sit outside and feel the warm sun on your face. It makes you sleepy. When you wake up your stomach is grumbling and you feel hungry. You stand up...
type the answer Well the weather finally got nice. You sit outside and feel the warm sun on your face. It makes you sleepy. When you wake up your stomach is grumbling and you feel hungry. You stand up to go get some food and feel dizzy. You grab your water bottle and take a big drink and decide you’d better study indoors, nothing gets done when you go sit in the sun. C. your stomach has smooth muscle –...
You are standing at the edge of a cliff that drops straight down to a river...
You are standing at the edge of a cliff that drops straight down to a river below. You reach out over the cliff and toss a stone straight up in the air. The stpne passes you on its way down, 5.00 s after it was thrown. What is the speed of the rock just before it reaches the water 27.0 m below the point where the stone left your hand? Ignore air resistance. Express your answer with the appropriate units.
The lighthouse on Presque Isle is 21.0 m tall. You decide to verify this by attaching...
The lighthouse on Presque Isle is 21.0 m tall. You decide to verify this by attaching a pendulum mount to the top of the lighthouse and observing the pendulum as it swings. You use a rope that just barely misses the ground when it is hanging straight down. (a) If you attach a 2.0 kg mass to the end of the rope, pull it back, and release it, how long will it take for the pendulum to complete one cycle?...
You throw a ball straight up, and it reaches a height of 22 m above your hand before falling back down. What was the speed of the ball just after it left your hand? m/s
When you are sitting in a chair looking at two objects that are above your eye level, it appears to you that object A is above object B. When you stand up, object A appears to be below object B. Use the concept of parallax to decide which of the two objects is closer to you Explain your reasoning. What you What you see while see while standing sitting Draw a side - view diagram to show how the relative...
The main muscles that hold your head upright attach to your
spine in back of the point where your head pivots on your neck. The
figure provided shows typical numbers for the distance from the
pivot to the muscle attachment point and the distance from the
pivot to the center of gravity of the head. The muscles pull down
to keep your head upright. If the muscle relaxes—if, for instance,
you doze in one of your classes besides Physics—your head...
Your cousin's baby carrier has a toy hanging vertically on a spring from the top of the carrier, when you start at t = 0 by releasing the toy from being pulled down 10cm, it bobs up and down 2 cycles every second. Plot the y-position of the toy vs. time below, showing at least two complete cycles of oscillations. Use positive y- direction as upwards and negative y-direction as downwards. Draw your graph, take a picture, and upload it...
Pull alla paper. It's late at night, you are very Uudre falling asleep and your head is tilting forward when suddenly, "POP" you hear a loud sound outside of your house. You then move your head up, stand up and turn to see what is behind you. Answer the following questions by filling up the table below: 1) List all the synovial joint movements done from sitting in your couch to nodding your head. 2) List all the joints involved...
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