Q: C.) A student pulls a 40 kg box with a force of 50 N at an angle of 60 degrees above the horizontal.…
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Q: a) Use Newton's laws to solve for the acceleration of the block-weight system below. Friction is NOT…
A: Mass of the block which is on the table is mB. Mass of the block which is hanging is mW.…
Q: The parachute on a race car of weight 8,810 N opens at the end of a quarter-mile run when the car is…
A: The acceleration of the car can be calculated as follows,
Q: (a) Calculate the acceleration of a skier heading down a 10.0º slope, assuming the coefficient of…
A: The coefficient of friction for waxed wood on wet snow,
Q: A truck is traveling at a constant 25 m/s when a motorcycle speeds past at a constant 40 m/s. On…
A: Here given the truck traveling at a speed 25 m/s and motorcycle at a speed 40 m/sec. We have to find…
Q: D) A woman dragging a 20 kg suitcase with a 45 N force at an angle θ = 300 from horizontal at a…
A: solution as
Q: What net external force (in N) is exerted on a 1400-kg artillery shell fired from a battleship if…
A: Given data: Mass of artillery shell (m) = 1400 kg Acceleration (a) = 2.80 × 104 m/s2
Q: Suppose you have a 122-kg wooden crate resting on a wood floor. (μk = 0.3 and μs = 0.5) a. What…
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Q: A loaded elevator of mass 2200 Kg is supported by cables that can withstand a maximum tension of…
A: Given data: Mass, m=2200 kg Maximum tension, T=28000 N Acceleration due to gravity of earth, g=9.81…
Q: c) A book weighing 2.0 N is placed on an inclined plane that makes a 60.0° angle with the…
A: The given values are, w=2.0 Nθ=60°
Q: (g) What is the acceleration of the particle at t = 1.0 s? (h) What is the total force on the…
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Q: c) What is the normal force exerted on Luca by the hill? O 1105 N 637 N 468 N 169 N
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Q: c). Suppose the magnitudes of the force of friction on the blocks are 4.0 N and 8.0 N respectively.…
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Q: If a car is traveling eastward and slowing down, what is the direction of the force on the car that…
A: Car is moving eastwards
Q: (d) Find the magnitudes of the contact forces between the blocks. between block 1 and 2 N between…
A: (d). All the three blocks will move with the same accelaration ,i.e. Magnitude of contact…
Q: Find the tension T in a cable holding a $$ x 100 kg elevator that is cruising upward at a velocity…
A: Given: Weight of elevator m = 100 kg. upward velocity v = 5 m/s. Time taken to stop the elevator t =…
Q: A small piece of Styrofoam packing material is dropped from a height of 2.00 m above the ground.…
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Q: Q. How is this an example of Newton's Third law? O Only the ball is using the head O Only the head…
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Q: due to the water), and Fw (due to the wind). Find the magnitude of the force Fw. W :
A: Assume that the north direction is along the + y-axis and the east direction is along the + x-axis.…
Q: (c) What is the average force of friction (down the slope) if the hill has a slope 2.5° above the…
A: It is given that,
Q: b) A horizontal force of 25 N acts on a 0.30 kg toy trolley to accelerate it uniformly along a…
A: Given data, Horizontal force (F)=25 N Mass of the toy trolley (m)=0.30 kg Traveled distance (s)=35 m
Q: If a car is traveling eastward and slowing down, what is the direction of the force on the car that…
A: Write the equation for the force. F=ma Here, Applied force is "F" Mass of the object is "m"…
Q: Q/ Compute the magnitude F of the force which the earth exerts on the moon, Perform the calculation…
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Q: A small piece of Styrofoam packing material is dropped from a height of 2.00 m above the ground.…
A: (a) Determine the terminal speed of the Styrofoam, that is, the speed after falling 0.500 m, as…
Q: A small piece of Styrofoam packing material is dropped from a height of 2.00 m above the ground.…
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Q: B. how much tension must a cable withstand if it is used to accelerate a 120 kg car vertically…
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Q: (a) Find the tension T in a cable holding a 82 x 100 kg elevator that is cruising upward at a…
A: Given data The mass of the elevator is m = 82 x 100 kg = 8200 kg The initial velocity if the…
Q: A 75.0-kg man stands on a bathroom scale in an elevator that accelerates from rest to 30.0 m/s in…
A: mass, m = 75 kg initial velocity, u = 0 m/s final velocity, v = 30 m/s time, t = 2 s
Q: B. The coefficients of static and kinetic friction between a 5 kg box and a horizontal desktop are…
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Q: M The force exerted by the wind on the sails of a sailboat is 390 N north. The water exerts a force…
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Q: Using the strap at an angle of 31 o above the horizontal, a Grade 12 Physics student, tired from…
A: GivenMass of bagm=15 kg
Q: d across a floor by a horizontal force of 50. newtons. The block 30 seconds
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Q: (a) Find the tension in each cable supporting the 6.00 x 102-N cat burglar in Figure P4.35. (b)…
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Q: (b) On a day with no wind, a large object is dropped from a tall building. The object experiences…
A: When a large object is dropped from a tall building then due to gravity the object falls to ground.…
Q: Determine the upward force exerted on the board by each person
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Q: (a) What is the resultant force exerted by the two cables supporting the traffic light inFigure…
A: Now in this case weight and resultant force can be calculated by using free body diagram and newtons…
Q: A 6000 kg truck is traveling at 15m/s up a hill, driving at a 20 degree angle to the horizontal. The…
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Q: An elevator (mass of 1500kg) is lowered using a cable under 16000N of tension. A) Is its speed…
A: when elevator descends; forces acting on it are- F=mg downwards Tension upwards Force = ma upwards…
Q: 40° T. 30° T, 1 2 kg
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Q: Two identical 15.0 kg balls, each 25.0 cm in diameter, are suspended by two 35.0 cm wires . The…
A: Force is a push or a pull that is exerted on an object. Tension is generated in a wire it has two…
Q: a car traveling 42 km/h can brake to a stop in a distanced of 15m if the car is going 117 km/h what…
A: Note : According to our guidelines , we are only allowed to answer only one question . If you want…
Q: and (c) the normal force. (d) What is the net v 2. You throw a 20-N rock vertically into the air f…
A: We are authorized to answer one Question at a time please repost your question separately for the…
Q: a) a car traveling 79 km/h can brake to a stop in a distance d of 12m if the car is going 124 km/h…
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Q: A dockworker pushes a 50 kg crate with a downward force of 300 Newton's, at an angle of 30 degrees…
A: (a) write the expression for net vertical force
Q: (a) Find the resultant force (in N) exerted on the car. magnitude direction (counterclockwise from…
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Q: (a) A 1 kg block of wood sits on a 30 degree incline. If an applied force of 10 N causes the block…
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Q: A crane is pulling a load (weight = 818 N) vertically upward. (a) What is the tension in the cable…
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- For this problem, we want to estimate the answer, so our assumptions may be a little unrealistic. Suppose we want to estimate how much air we need to send to a space station, assuming we cannot recycle air. Suppose four astronauts are in a spherical space station. If each of them typically breathes about 500 cm³of air with each breathe, and take 15 breathes per minute (average resting value): a. What is the volume of air you would need in the space station if these four astronauts stayed for a full year? b. If the density of air is 1.25 kg/m³ and it costs (thanks to SpaceX) a mere $100/kg to send objects to the space station, how much money would the astronaut air supply cost?Estimate how many molecules of air are in each 2.5-L breath you inhale that were also in the last breath Galileo took. [Hint: Assume the atmosphere is about 10 km high and of constant density.] Express your answer using two significant figures. N=?? (I got 27, but I was also wrong).This was wrong. Can you solve this again with these numbers? What is the root mean square velocity, vrms, for Hydrogen molecules (H2) at 20oC? Hint: How many amu does an H2 molecule contain. 1 amu = 1.67 x 10-27 kg Boltzman's Constant, k = 1.38 x 10-23 J/K Give your answer in m/s to 4 significant figures (NO DECIMALS)
- Oxygen reaches the veinless cornea of the eye by diffusing through its tear layer, which is 0.500-mm thick. How long does it take the average oxygen molecule to do this?Suppose that the mass attenuation coefficient of cortical bones is 0.0228 cm2/g and the density is 1.37 g/cm3. What is the HVL of cortical bones? Select one: a. 0.045 cm b. 0.03 cm c. 22 cm d. 0.51 cmThe basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion. Assume that 40 cm? of gasoline is atomized into N spherical droplets. Each droplet has a radius of 2.0 x 10-5 m. Find the total surface area of these N spherical droplets.
- A piece of silver weighing 685g in air weighs 437g when immersed in glycerine whose SG is 1.25. Solve for the cc of the cavity inside the silver. Round your answer to 2 decimal places.dvestier number-i A gold mueDcoen (vradivrr) is represented y the e as the elementory clhage gml "Av. Taking 197 Au. 79 as the premitiut, a free slrece, at the Sertece 4 an and 6. as H,e what is tHhe olectré Ad fregth, goldexperts.cheggindia.com/qa-expert-registration/ we WeTransfer Myanmar | Institute... w World health ranking O HDFC NetBanking 6 uab Online Banking Sharepoint M Inbox (2,039) - swa... pps ease note that on-boarding of all successful candidates will be in September. We have limited ancies and will grant answering rights on first come first serve basis for candidates mpleting the applications earlier than others. ubject test ote: - You are attempting question 5 out of 12 A Mother massages her palms to warm them up and places them on the cheeks of her child with force 5.0 N to keep the child warm on the chilling night. If arms move the distance of 16 cm as she moves her hands back and forth for the eight times with the kinetic friction of 0.45, calculate the internal energy of the hands if no heat is lost into the surroundings. (а) 1.6 J (b) 3.1 J (c) 2.9 J (d) 4.8J O A swer Type here to search 口i
- What are the air-standard assumptions?When you are swimming at the bottom of a pool, the water above and around you exerts force on your eardrum. Calculate the force (in N) exerted on your eardrum when you are at the bottom of a pool that is 5.0 m deep. Assume that the area of your eardrum is 1 cm^2 and the density of water is 1000 kg/m^3 (10,000 cm^2 = 1m^2) (Ans: 5N) To solve this, which of the following equation/s should you use (check as many that best applies) O Q = mL O F1_ F2 A1 A2 O F=ma O A1V1= A2V2 O fEdA = denc €0 Ο ΔL αLo Δ . O du = dQ - dW or AU= Q- W O PV = nRT Pz +pgh2 + pv=P1+pgh1+ F Op= O as-S O P= pgh O e=! Tc 1- Tn Ow-ov V2 W = O Fp = P fluidgV submerged Op =m/V F = 4πεο O Tk = T+273.15K(a) What is the coefficient of variation (CV)? Why do you study such variations? Explain using a real-life example.(b) Among the different measures of dispersion which one do you think is better and why?The following table gives the distribution of gas bills (GB’s) of some households (hhs) in a city- GB’s ($.’0) No. of hhs 375-450 41 450-525 95 525-600 31 600-675 61 675-750 19 (i) Calculate the ideal measures of dispersion.(ii) Make comments from your findings.