A person exerts a horizontal force of 190 N in the test apparatus shown in the figure. Find the horizontal force that his flexor muscle exerts on his forearm.
Q: Consider an atom with two states having ground state energy zero and first excited state energy 1…
A:
Q: A parallel-plate, air-filled capacitor is being charged as in (Figure 1). The circular plates have…
A: Since there are more than three sub parts, we will answer the first three sub parts. Kindly upload…
Q: In this problem we will observe how the momentum of an electron changes as its velocity approaches…
A:
Q: The velocity of a vibrating object changes as a function of time as v=- (0.6 m/s)cos(2pi*t). Find…
A: The objective of the question is to find the position as a function of time for a vibrating object…
Q: An organ pipe is open at one end and closed at the other end. If the fundamental standing…
A: An organ pipe is open at one end and closed at the other end.The fundamental standing wavelength is…
Q: Select all the forces that are conservative: Force of friction Force of gravity Force of a spring…
A: A conservative force is a force for which the work done by the force around a closed loop is zero.…
Q: The resistance of a bagel toaster is 14 22. To prepare a bagel, the toaster is operated for one…
A:
Q: A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25°C.…
A: Mass of the copper, m1 = 194 g = 0.194 kgSpecific heat of copper, s1 = 387 J/kgoCIts Initial…
Q: What is the binding energy per nucleon for the following isotopes?
A:
Q: (a) How long in seconds does it take a radio signal to travel 140 km from a transmitter to a…
A: Required: To find the time for the light to travel different distances
Q: The masses and coordinates of four particles are as follows: 40 g, x = 3.0 cm, y = 1.0 cm; 30 g, x =…
A: The moment of inertia is the product of mass and square of distance from axis. ie, I = mr2
Q: Three identical point charges are placed on the corners of a cube with side length a, as shown in…
A: In the question, it is given that
Q: 9. Below is a PV diagram showing a cyclic process for 0.0038 moles of an ideal monatomic gas. The…
A:
Q: Let's say the Earth moves around the Sun in a circular orbit with a constant speed (neither is…
A: The correct answer is B. The work done on the Earth is zero, since the force of gravity is always…
Q: 3- What is the Babinet's theorem? Explain and discuss the experimental mistake.
A: Babinet's Principle is a theorem in optics that describes the relationship between the diffraction…
Q: A copper bar of thermal conductivity 401 W/(m·K) has one end at 114°C and the other end at 24.0°C.…
A:
Q: A block of mass m = 12.0 kg is pressed against a spring of spring constant k = 300 N/m, compressing…
A: Calculate the potential energy stored in the compressed spring.The potential energy stored in a…
Q: Two identical uniform solid spheres are attached by a solid uniform thin rod, as shown in (Figure…
A: From diagram: L=2R , where R= radius of the sphere, L= Length of rodLet mass of sphere is M and…
Q: Q10. A solid insulating sphere of radius R has a non-uniform volume charge distribution given by…
A: Given,The radius of the solid insulating sphere is .The volume charge distribution Where, is a…
Q: At the end of its life, a star can collapse from the size of our Sun to the size of the Earth. The…
A: White dwarf A white dwarf is a dense, compact stellar remnant that forms after a star exhausts the…
Q: Each of the eight conductors in the figure carries 3.41 A of current into or out of the page. Two…
A: The problem is related to Ampere’s Law in magnetism, which states that the magnetic field B around a…
Q: A 200 g mass attached to a horizontal spring oscillates at a frequency of 2.0 Hz. At one instant,…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-partsfor…
Q: The drawing shows a baggage carousel at an airport. Your suitcase has not slid all the way down the…
A:
Q: Fm 3.4 cm 30 cm mg 2. Determine how much force is exerted by the bicep muscle in order to hold up a…
A:
Q: When a 54 kg boy sits on a trampoline, it sags 0.10 m at the center. What is the effective spring…
A: The objective of the question is to find the effective spring constant of the trampoline when a boy…
Q: What is the maximum mass of ethyl alcohol you could boil with 2000 J of heat, starting from 17 °C?…
A:
Q: Two friends talk on the phone to meet, both come out at the same time in their respective bicycles;…
A:
Q: You are driving through the Ouachita Mountains at 12m/s. You see a maple-leaf oak (Quercus…
A: Initial velocity (v₀) = 12 m/sDistance to the oak tree (d) = 20 mCoefficient of kinetic friction…
Q: A runaway train car that has a mass of 12500 kg travels at a speed of 5.7 m/s down a track. Compute…
A:
Q: Question 2: A 100 N box is held by two cables, AC and BC. (a) Find the tensile force of each cable…
A: Weight of the box,
Q: A rotating flywheel has been proposed as a means of temporarily storing mechanical energy in an…
A:
Q: The pendulum in the figure consists of a uniform disk with radius r= 17.0 cm and mass 520 g attached…
A:
Q: During a fireworks display, arshell is shot into the air with an initial speed of 70 m/s at an angle…
A: The initial of the shell: The angle above the horizontal at which the shell is shot:
Q: A meter stick balances on a knife edge be- low the 50 cm mark. When two nickels are stacked and…
A: Masss of nickel, m=5.0 gPosition of nickels, x=12.0 cmCenter of mass of the system after nickels are…
Q: An electron moves at 2.60 ××1066 m/sm/s through a region in which there is a magnetic field of…
A:
Q: How long does it take light to travel 1.00 m in a vacuum? How far does light travel in this amount…
A:
Q: what causes black hole in universe?
A: The formation of a black hole in the universe is a result of the gravitational collapse of a star or…
Q: A spring scale hung from the ceiling stretches by 5.6 cm when a 2.0 kg mass is hung from it. The 2.0…
A:
Q: Bonita (mass of 60 kg) is stuck, motionless, on a frictionless frozen lake. The only thing she has…
A: The mass of the Bonita is 60 kg.The mass of the iPhone is 175 g or 0.175 kg.The final speed of the…
Q: LC: To prevent a hotel chandeller from falling an engineer created the design such that it is being…
A:
Q: A spaceship leaves Earth traveling at 0.70c. A second spaceship leaves the first at a speed of 0.90c…
A:
Q: lane waves of green light (546.1 nm) impinge normally on a long narrow slit (0.15 mm wide) in an…
A:
Q: 2. (A wire 40 cm long carries a 0.50 A current in the positive direction of an z axis through a…
A:
Q: Problem 1: Which of the following would violate the Second Law of Thermodynamics? Choose one that…
A: The second law of thermodynamics states that any spontaneously occurring process will always lead to…
Q: 2. Determine the RESULTANT of the following vector: V₁=10 m 20° NE, V₂ = 15 m 40° SE, & V3 = 10 m…
A: Vectors are directed directed directed Find:The resultant vector.
Q: A 45deg-45deg -90deg right prism is immersed in water. What is the minimum index of refraction of…
A:
Q: A virtual image is often described as an image through which light rays don't actually travel, as…
A:
Q: he Earth is 149,600,000,000 m from the Sun. The Sun has a mass that is 333,165 times as large as…
A:
Q: Kepler's Third Law and Newton's Law of Universal Gravitation (a) Use Newton's Universal Law of…
A:
Q: example Homeware MB MA 7777777 30 MA = 30 kg MB = 10kg VALO V₁=0 Determine the acceleration of…
A: FBD of the block and the wedge.
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
- To pull with a force F=172 N on the scale as shown, what should the tension in your biceps muscle be? The distance h = 0.30 m. magnitude DirectionIn the figure below, the biceps muscle exerts a force supporting a perpendicular forearm and a book. Suppose we replace the book with an elastic exercise rope that obeys Hooke's Law. Assume its force constant k = 453 N/m. Triceps muscle Biceps U muscle PHYSICS m, = 4.3 kg CG FE m, = 3.7 kg Wo CG 4.0 cml Wa 16 cm 38 cm (a) How much is the rope stretched (past equilibrium) to provide the same force w, as before the book was replaced? Assume the rope is held in the hand at the same location as the book. (Enter your answer in cm.) |cm (b) What force (in N) is on the biceps muscle if the exercise rope is pulled straight up so that the forearm makes an angle of 18° with the horizontal? Assume the biceps muscle is still perpendicular to the forearm. (Assume the same stretch in the rope as part (a). Enter the magnitude.)The biceps muscle exerts a muscle force of 1000N on the forearm, as per below. The muscle force acts at an angle of 30deg to the forearm. How large are the horizontal and vertical components of this force that holds the forearm in place?
- Triceps muscle Biceps m-40 kg m- 25 kg Calculate the force the biceps muscle must exert to hold the forearm and its load as shown in the Figure? * O 480 N.m O None of the answers O 400 N.m O 0.480 kN O 48 NIn the figure below, the biceps muscle exerts force supporting a perpendicular forearm and a book, Suppose we replace the book with an elastic exercise rope that obeys Hooke's Law. Assume its force constantk = 433 N/m. Triceps muscle Biceps V muscle PHYSICS m, = 4.3 kg CG m, = 2.2 kg CG Wa 38 cm (a) How much is the rope stretched (past equilibrium) to provide the same force w as before the book was replaced? Assume the rope is held in the hand at the same location as the book. (Enter your answer in cm.) cm (b) What force (in N) is on the biceps muscle If the exercise rope is pulled straight up so that the forearm makes an angle of 24° with the horizontal? Assume the biceps muscle is still perpendicular to the forearm. (Assume the same stretch in the rope as part (a). Enter the magnitude.)The arm in the figure below weighs 37.7 N. The force of gravity acting on the arm acts through point A. Determine the magnitudes of the tension force in the deltoid muscle and the force F S exerted by the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown. (Enter your answers to at least the nearest newton.) N Ft Fs N √12⁰ 0 F 0.080 m -0.290 m TE
- Everett is attempting to lift 112 N. The perpendicular distance from the weight to his elbow joint is 21 cm. Theforce created by the elbow flexor muscles is 1485 N. The perpendicular distance from this force to the elbow jointis 1.8 cm. Is Everett able to lift the weight with this amount of force in his flexor muscles?Approximately what magnitude force, FM, must the extensor muscle in the upper arm exert on the lower arm to hold a 4.3-kg shot put (Figure 1)? Assume the lower arm has a mass of 3.0 kg and its CG is 13 cm from the elbow-joint pivot.A person places his hand palm downward on a scale and pushes down on the scale until it reads 96.0 N. The triceps muscle is responsible for this arm extension force. Find the force exerted by the triceps muscle. The bottom of the triceps muscle is 2.50 cm to the left of the elbow joint, and the palm is pushing at approximately 29.0 cm to the right of the elbow joint. P 96.0 N 2.50 cm and Q = 29.0 cm. where P =
- 5. The biceps exerts a pulling force of 800 N on the radius. The force acts at an angle of 30 degree in the anterior Fx and superior Fy direction. Calculate the force Fx that flexes the elbow joint as shown in the diagram. (Given that cos 30-0.866 and sin 30=0.5). Fy a.400 b.693 c.512 d.122 e.330 Ans:c Fx 800 NВ A cook holds a 1.72-kg carton of milk at arm's length (see the figure below). What force Fa must be exerted by the biceps muscle? (Ignore the weight of the forearm. Give the magnitude.) N Milk 75.00 25.0 cm- 8.00 cm23. The diagram below shows a door viewed from above. Much to their parent's annoyance, two kids are fighting over opening/closing the door - do not do this at home! (Note that the door does not have a latch exerting any force on it) The diagram below shows the force that child A is exerting on the door: of magnitude F in the south direction, a distance of L/3 from the hinge. N wefe W E S F hinge L/3 L Child B decides to exert a force on the edge of the door, as far as possible from the hinge. What is the magnitude and direction of the force that child B must exert if the door does not move? A) Force of magnitude F in the north direction B) Force of magnitude F in the east direction C) Force of magnitude F/3 in the north direction D) Force of magnitude F/3 in the west direction