1. Knowing that u = 0.30, determine the acceleration of each block when ma = mg = mc. B
Q: 9. Find vn. Let V₁ = 4V, R₁ = 2k, R₂ = 4 kN, R3 = 2 kN, R₁ = 2 kN, V¯ = -1.67 V, and V+ = 5 V. a)…
A: 1).Let's solve the given circuit problem step by step. The question asks us to find the current and…
Q: A student in a lab exerts a force of 25 N on an angle to pull a block by a distance of 48 cm. If a…
A: Given data :- Force F = 25 N Displacement d = 48 cm = 0.48 m Work done W = 11 J
Q: 7. A 90.0 kg man pushes on a 5.0 x 106 ton wall for 350 s but it does not move. How much work does…
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Q: An object has a kinetic energy of 88 J and a mass of 45 kg , how fast is the object moving?
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Q: 11. You take a ride in a wagon. The wagon’s mass (including you) is 200 kg. A horse pulls it with a…
A: Total mass, m=200 kg Pulling force by the horse, F= 78.9 N Speed of the mass, v=3.7 m/s Displacement…
Q: 1. A weightlifter lifts a 200 N barbell from the floor to a height of 2 m. How much work is done?
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Q: 3. A train covers a distance of 15 km and that the force is causing it to accelerate at a rate of…
A: Let us find the work done by the given data.
Q: 1. What amount of work is done when a 5 newton object is moved a distance of 10 meters?
A: Given data: Force (F) = 5 N Distance (d) = 10 m Required: Work done (W)
Q: 1. A force of 5 pounds is required to stretch a spring from ints natural length of 3 inches to a…
A: Force required to stretch a spring from x=3 inches to x=4 inches is F=5 pounds. We need to find the…
Q: 6. A constant horizontal force of magnitude 2.00 [N] is exerted in pushing a box a distance = 13.0…
A: Given: The magnitude of the horizontal force is 2 N. The displacement of the object is 13 m along…
Q: 2. How much work is done by 15 kW engine during 3.5 min?
A: Given value--- power = 15 kW. time = 3.5 min . We have to find--- work ?
Q: 17. Which of the following must occur for work to be done on an object? O the object must rotate the…
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Q: How can energy be transferred back forth between kinetic energy and potential energy?
A: Ans:- Kinetic energy can be stored if we drop the object from the shelf or release the spring,…
Q: A 5500 W lathe can move an iron block at a constant speed of 4.3 m/s. What is the force applied to…
A: Given Power (P)=5500 w speed(v) =4.3 ms-1 Required force(F)=?
Q: An object with m= 27 g is hanging, without moving from a vertical spring extended by 19 cm.…
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Q: A sprinter practicing for the 200-m dash accelerates uniformly from rest at A and reaches a top…
A: The magnitude of the tangential velocity changes when the vector velocity changes direction, but not…
Q: #53
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Q: A perticle movige elone the x-exiS experiences he Jočce shown How much work is oone on Jhe fchele…
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Q: m = 0.045 kg k = 490 N/m Δx = 0.13 m 2.2 J lost due to friction v = 6.4 m Find h.
A: Given: mass m=0.045 kg k=490 N/m ∆x=0.13 2.2 J is lost due to friction, v=6.4 m To find: h=?
Q: A stone is dropped from the top of a tower and falls to the ground below. If the stone hits the…
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Q: Find the spring constant k for a spring if a force of 19 N stretches the spring 0.46_m.
A: Given data: Force (F) = 19 N Stretch in Spring (x) = 0.46 m Required: The spring constant (k)
Q: 7. An electric motor with an efficiency of 80% has a power output of 4.00 horsepower. The power…
A: Given, Output power = 4 horsepower. Efficiency = 80% Motor runs for = 3 hour Charges = $0.15 per kWH…
Q: 3. A force of 5.0 N is used to stretch a block attached to a spring from its resting position to a…
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Q: 7. Determine the total work required to accelerate a vehicle of mass 1500 kg from 10 m/s to 25 m/s.
A: Given, Mass , m = 1500 kg Initial velocity = 10m/s Final velocity = 25m/s Work done = change in…
Q: a) 1.9 m b) 52 m c) 2.7 m d) 5.1 m e) 2.2 m
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Q: 11. You push down on a 4.0 N box against the floor for 2 minutes. How much work was done? How much…
A: The force applied, F=4 N The time for which the force is applied, t=2 min
The acceleration of each block when, mA=mB=mC.
Given,
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- 3.The Work-Energy Principle states that work is equal to the change in kinetic energy. What unit measures these variables?5. A 0.267 kg ball is thrown straight up from 2.33 m above the ground. Its initial vertical speed is 12.00 m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time.19. A moving object whose initial KE is 10 J is subject to a frictional force of 2 N that acts in the opposite direction. How far will the object move before coming to a stop?
- 3. What is the work done by the walking man that uses a power of 24 J/s in 45 sec? handwriting answers5. A force of 50 N is required to stretch a spring 10 cm beyond its natural length. How much work will be done stretching the spring 20 cm from its natural length?15. a person holds a 50 Newton object stationary for 10 seconds, 2 meters above the floor, what is the amount of work done?
- Please check if I completed this question correcltyWill rate!! A Freebody diagram is foreign object is shown in the figure. FA = 420 N, FB = 300 N, FC = 275N, and FD = 295N. Assume angle left = 31degrees, and alpha =13 degree. How much work in (J) does FA do on the object if it moves 2.9 m downward?help asap pls. make sure it is 100% correct.
- 13. True or false, Kinetic energy is the quantity that measures the amount of work that goes into the motion of an object2) What is the work done by the force of gravity Fg ? A. F dcos(0) B. F dcos(90) C. F dcos(180") D. F dcos(270) F. 3)8. An object has a kinetic energy of 88 J and a mass of 45 kg , how fast is the object moving?