3. After attaching a block at A, the springs AB and AC are expanded arriving in an equilibrium state as shown. If the unstretched length of spring AC is 5 feet, determine the mass of the block. k2 = 2.0lbf/ft B 5' k, = 1.51bf/ft 45° A60° W

Q: 2. A 35 kg child is riding on a swing. At her highest point she is 1.8 m above the ground, at her…

A:

Q: Determine the moment of inertia (mm4) of the cross section shown with respect to the x-axis if…

A:

Q: 1. The rectangular framework shown in the next slide is subjected to the indicated non-concurrent…

A: In order to calculate the net force , we first need to  write the components of each force in x and…

Q: The average intensity of the solar radiation that strikes the Earth normally (just outside the…

A: Intensity I=1.4 KW/m2= 1400 W/m2 Mean Earth - sun distance r= 1.5*108 m Speed of Light c=3*108 m/s…

Q: 2. A person decides to swim across a river 84 m wide that has a current moving with a velocity of…

A: According to guideline I solve only first 3 subparts of question 2.

Q: 4. A cannon is pointed upward at an angleof 30 degrees with respect to the horizontal ground. If the…

A:

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: Above. 20. Estimate the wavelength at which the Sun emits the most light. Assume that the average…

A: Temperature (T) = 5800 k

Q: A lacrosse player provides a torque to a ball at the end of their stick, which provides it with an…

A: Given data: Moment of inertia (I) = 0.5 kg.m2 Angular acceleration (α) = 700 rad/s2 Required: Torque…

Q: please answer both

A: Hello. Since you have posted multiple questions and we will solve the first question for you. If you…

Q: (2) Use Ampère's Law to find the magnetic field at the point (0, p, 0) caused by an infinite sheet…

A: Given, Current density K→=K0k^

Q: For questions 16– 20, write (HEP-HEP) if the situation shows the application of Impulse and Momentum…

A: When the object has some velocity then it will always have some momentum consequently if there is a…

Q: Given the surface charge density ps = 100 µC/m², existing in the region p<0.2 m, z = 0, find E at…

A: Given that: ρs=100 μC/m2PA (ρ=0,z=0.5) mPB (ρ=0,z=-0.5) mWe can consider the value of radius ρ=0.2 m

Q: Two forces of magnitude TA= 7803 lb and TB= 14237 lb are applied as shown to a welded connection.…

A: Given, TA= 7803 lbTB= 14237 lbθ= 48°

Q: The motion of a particle is defined by the relation x = 21³ – 15t² + 24t + 4, where x is expressed…

A:

Q: 1. A thrower, standing at point P throws a ball at an angle of 30° aiming a basket kept at point O,…

A: Given,angle θ=30°QO=18mQO'=15mg=9.81m/s2 Note : Since we only answer up to 3 sub-parts, we’ll answer…

Q: 4. What is the rate of heat transfer by radiation, with an unclothed person standing in a dark room…

A: Given, Ambient Temperature =24°C Skin temperature =32°C Surface Area =1.6 m2. Emissivity of skin…

Q: and velocity as the fil impulse identical to in problem 31. Howe designed to crumple

A: Given as, Average force= 1.23×107 NS, Time interval= 21.0 ms=21×10-3s, Interaction duration= 57.1…

Q: The Newton's law of cooling gives us that, when cooling an object in a tank of constant temperature…

A: Q1 ) In terms of Picard's theorem the solution to the Malthus model exists everywhere and is unique.…

Q: M = -5î + 10ĵ Ñ = -15î – 15ĵ What are the resultant vectors M + Ñ · M – N , and N – M What is the…

A: Note: As per the guidelines, we can only answer three subparts of a single question. Sorry for the…

Q: 8. A transformer is a device used to increase or decrease the voltage through induction. Which…

A: The positive charge accelerates along the direction of electric field.  So the charge ( which is…

Q: 44. (a) What is the equivalent resistance between points A and B? (b) A 276-V emf is connected to…

A:

Q: answer this

A: Given- The spherical surface of radius R and electric field pointing radially outward from the…

Q: An oil tank is in the shape of a right-circular cylinder with a radius of r meters and its axis is…

A: An object is considered to be under pressure when it is subjected to physical force. Each unit of…

Q: Determine the distance h of the symmetric beam cross section to the locate the centroid given that…

A: a=6.8mm b=10.5 mm  C=20.5mm  d=117.2mm

Q: (5) A 15.0A current produces a B field at the center of an arc of angle n/4 radians and radius…

A: (5) Given Current (I) = 15.0 A Radius (r)  = 0.500 m Angle θ  = π4 radians

Q: Suppose we discovered a planetary body orbiting our Sun at a distance of 15 times the Earth-Sun…

A: We have to answer the questions given.

Q: Two forces P and S, act on a ring, as shown. A. 07 R 1. Which of the following best shows the force…

A: We are given  forces. We find the resultant of 2 forces. We then find the magnitude and direction of…

Q: When it comes to magnets, like poles... O don't interact. O attract. O repel.

A: Answer:

Q: Given A = y 4a + a_and vectors B = 2a_ + 3a , find the scalar projection of A on B. %3D 2 Answer:

A: Given  A→=4ay→+az→B→=2ax→+3ay→ Scalar projection of A→ on B→ is given by, s=A→·B→B

Q: n identical cells each of e.m.f E and internal resistance r are connected in parallel. An external…

A:

Q: 2. What is the maximum length of a wrench needed to apply 90 Nm torque to the bolts on a motorcycle…

A:

Q: A hollow metal sphere has an inner radius a and outer radius b. The hollow sphere has charge +2Q. A…

A:

Q: 4. Suppose the velocity(v) of a car at any time(t) is given by the equation 60m/s + (0.5m/ Derive…

A: The instantaneous acceleration (a) of a body is defined as the rate of change of its velocity.…

Q: 21. Which one of the following expressions determines the minimum speed that the car must have at…

A: Given data : Mass of the car is M Radius of the vertical circle is R

Q: Directions: Show your complete solutions and write them on the space provided. You may use an extra…

A:

Q: (COLLAB) Simulate projectile motion with air resistance in PhysLab. A shuttlecock is launched from…

A: Given : Initial speed, vo = 37.0891 m/s Angle of projection, θ=7.1384o Drag coefficient, Cd = 0.2402…

Q: please answer both

A: Since there are multiple questions posted, we will answer the first question. Assume that the flow…

Q: A staging that weighs 440 N supports two painters, one 370 N and the other 650 N. The reading in the…

A: Solution: As given that Painter 1, W1 = 370 N Painter 2, W2 = 650 N staging weight, Ws = 440 N left…

Q: I need help with number 36

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 2. You hang an object by means of a vertical string. Two srings in turn support this string. String…

A: