H, = 0.25 Hk = 0.20 PROBLEM 8.9 W o Considering only values of e less than 90°, determine the smallest value of e required to start the block moving to the right when (a) W = 75 lb, (b) W = 100 lb. 30 lb
Q: ind the useful power output (in W) of an elevator motor that lifts a 2400 kg load a height of 35.0 m…
A:
Q: III When you ride a bicycle at constant speed, nearly all the energy you expend goes into the work…
A: Given data, Area A=0.45 m2 Velocity v=7.3 m/s Drag coefficient Cd=0.9 Time t=1 hr=60×60=3600 s
Q: Hydroelectric power plants convert gravitational potential energy into more useful forms by flowing…
A: Given density, ρ=1 kg/Lpower generted, P=4×109 kW.h/y (it cannot be 10-9 , i google it…
Q: Which point/s is/are the state of the system?
A: In thermodynamics , the state of system is represented by specifying its pressure , volume and…
Q: From the energy equation obtain the work W, spent on friction.
A: Conservation of energy Wf=∆KE+∆PE=12mv2-u2+mghf-hi=mv2-u22+ghf-hi
Q: A certain rain cloud at an altitude of 2.10 km contains 3.20 107 kg of water vapor. How long would…
A:
Q: Ale A worker lifts a 3000N box by pulling with a force of 300 N on the rope of a pulley system. The…
A: Part-a Given: The weight of the box W = 3000 N. The force applied by the worker F = 300 N. The…
Q: Figure 1 (right): Find the degree(s) of freedom and the type of constraint. Show using the principal…
A: As per rule, allowed to answer first question and post the remaining in the next submission.
Q: Calculate the ratioof the mechanical energy at B and mechanical energy at A (EB/EA) and (EC/EB).…
A: Given data: Mechanical energy: EA=EB=EC=3000 J
Q: Part A A 16 g particle is moving to the left at 29 m/s. How much net work must be done on the…
A: The objective of the question is to find out the amount of net work that must be done on a particle…
Q: Two Engines, A and B, can do the same amount of work. However, A has a greater power rating than B.…
A: Solution: Work is the amount of energy transferred in a process when an external force is applied.…
Q: 4. W - 100 J t-10 s P=? 7. W-500 J t=25s P=? *** 5. W=225 J P-25 W t=? 8. W=336 J t=? P = 14 W 6.…
A: 4) W=100 J t=10 s P=W/t=100/10=10 w 5) W=225 J P=25 w t=W/p=225/25=25 s 6) P=20 w t=15 s…
Q: Which of the following most accurately describes the block-track system? Choose 1 answer: A B D The…
A: Solution: The potential of the system at A converts to kinetic energy of the system when block…
Q: Problem 7.16 13 of 40 Review Water skiers often ride to one side of the center line of a boat, as…
A:
Q: sume that R₁ = 42 . R₂ = 71. R₂ = 20 . R₁ = 73 . R = 20 2. R6=25 2. Submit ✓ Correct Part C Previous…
A:
Q: Total mechanical energy will remain constant during rigid body motion only if all work is done by…
A: Given Statement Total mechanical energy will remain constant during rigid body motion only if all…
Q: c=130m A skier starts with an initial Jelocity of 4.0 m/s. directed down - 22° slope. The slope is…
A: initial velocity = V0 = 40 m/s length = l = 130 m angle = 22 degrees co efficient of friction = 0.1
Q: Please help with what you are able to, thank you so much. A kayaker paddles with a power output of…
A:
Q: A projectile (m, = 75 g) traveling at v = 535 m/s strikes and becomes embedded in the block (m, = 40…
A: Given: The mass of the projectile is mp = 75 g The initial velocity of the projectile is vp = 535…
Q: Find the work done in the figure below. The magnitude of F= 50 N. The displacement is d= -3.0 m/ and…
A: To find the work done (W), you can use the formula:W=F⋅d⋅cos(θ)where:F = force vector,d…
Q: An object of mass m=1.4 kg is sliding from top to bottom of an inclined plane of inclination angle 0…
A:
Q: 3. A roller coaster is shown in the figure. Assuming no friction, calculate the speed at points B,…
A:
Q: Asled is being pulled along a horizontal surface by a horizontal force Fof magnitude 600 N. Starting…
A:
Q: this force.
A: Given: Force is F=3.01i-4.24j N displacement d=-3.46i+7.52 j m
Q: Energy O Pie Chart V Speed + 8 00:00.00 Speed V Stick to Track Friction 8.8 m/s None Lots Gravity…
A: The total mechanical energy ( Kinetic energy + Potential energy ) of a system remains constant if…
Q: Q2 In this question, you don't need to simplify the expressions. You can have exponential terms in…
A:
Q: For a system having a mass of 1 lb whose velocity increases from 50 ft/s to 100 ft/s while its…
A:
Q: A hummingbird hovers by exerting a downward force on the air equal, on average, to its weight. By…
A:
Q: A 10.0kg block with an initial velocity vi = (5.0 m/s)î is pushed 5.0 m to the right along a rough…
A:
Q: A 5-kg wooden block slides 3 m down a wooden incline at constant velocity. The angle of the incline…
A:
Q: A 5.00 gram bullet moving horizontally with a speed of 400 m/s collides with a wooden block. After…
A:
Q: Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.40x106 N, one at an…
A: Given data: Two constant forces (F) = 1.40×106 N Angle (θ) = 18.0° Direction of force 1 : West of…
Q: A 1200 kg car starts from rest and travels 100 m in a time of 10 seconds. m A) What is the…
A: Answer:- Given Mass of a car ( m) = 1200 kg Distance travelled (S) = 100 m Time (t) = 10 s…
Q: A 1500 kg car has a maximum power output of 140 hp. Part A How steep a hill can it climb at a…
A:
Q: What is the propulsive efficiency of a CFM-56 engine given the following conditions: **Write answers…
A: Given: vo=555mph, ve=1283fps=874.8mph The propulsive efficiency of an engine is defined by :…
Q: A horse pulls a carriage a distance of 76.5 m, Find the force applied if the horse did 5000 J of…
A: Given data: Distance covered is, d=76.5 m. Work done by horse is, W=5000 J.
Q: A projectile (m,, = 90 g) traveling at v = 655 m/s strikes and becomes embedded in the block (m, =…
A: Given: The mass of the projectile is 90 g. The initial speed of the projectile is 655 m/s. The mass…
Q: A small block of mass 246 g starts at rest at A, slides to B where its speed is vg = 5.4 m/s, then…
A:
Q: X-a35 m k-290 N/m ww h 12 m 1. Calculate the box's initial amount of elastic potential energy.17.76
A: Given data: Mass of box, M=15 kg. Spring constant, k=290 N/m. Height where box is kept, h=12 m.…
Q: A 65.00-kg runner begins her exercise by moving with a velocity of 2.50 m/s. She then runs up a…
A: Kinetic energy is given by, KE=12mv2 Potential energy is given by , PE=mgh Given : Mass m=65 kg…
Q: Uning a cable with a tension of1410 N, a tow truck. pults a cat5.00 kmalong a horizontal roadway.…
A: GivenThe tension in the cable is 1410 N.Hence the magnitude of force will be F =1410 NCar is 5 km…
Q: Find the work done in the figure below. The magnitude of F= 36 N. The displacement is d= -4.0 mi and…
A:
Q: A mass of 8.6 kg is lifted from the ground using a power of 72.8 W in 22.2 seconds. To what height…
A:
Q: 5. F = x²i+ czjyk If the force is conservative, the value of the constant c is A. -2 B. 3 C. -5 D.…
A:
Q: A 100 kg block is pulled at a constant speed of 4.0 m/s across a horizontal floor by an applied…
A:
Q: For Ohmic materials, the V-I graph is a straight line Select one: O True O False Work done is…
A: Ohmic conductors follow ohm's law given as V= IR
Q: What possesses more kinetic energy, a.1 kg baseball traveling at 3 m/s, or a 10 kg bowling ball…
A:
Step by step
Solved in 10 steps with 10 images
