Part A Determine the magnitude of the resultant force. Express your answer to three significant figures and include the appropriate units. HA ? FR = Value Units Part B Determine the direction of the resultant force, measured counterclockwise from the positive z axis. Express your answer using three significant figures. VO AE It vec

Q: 1. A600-kg rollercoaster car starts at rest atop a 30-meter hill. Determine the speed of the car…

A:

Q: A 60.0-kg skateboarder comes over the top of a hill at 5.00 m/s and reaches 10.0 m/s at the bottom.…

A:

Q: 7. An elevator cab that weighs 27.8 kN moves upward. What is the tension in the cable if the cab's…

A: weight of elevator cab (w) = 27.8 kN

Q: 53. A car can go from 0 to 100 km/h in 10 s. If the engine delivered twice the power, how many…

A: Given that, Initial speed of the car, u = 0 Final speed of the car, v = 100 km/h = 27.78 m/s Time, t…

Q: An 85.1-kg dad climbs to the second floor of his house. His gravitational potential energy increases…

A: Given data: Increase in PE of Dad = 1.95*103 J Mass of dad (M) = 85.1 kg ass of daughter (m) = 21.4…

Q: Given two vectors A= 4.80 i+7.60 j and B=550 i-240 j. find the scalar product of the two vectors A…

A: We have vectors A→=4.8i^+7.6j^, B→=5.5i^-2.4j^ We need to find (a) Scalar product and (b) angle b/w…

Q: L Which of the following is true? 0 kxk=1 O kxk=2 jxk=i Ok+k=j

A: According to question we need to choose correct option.

Q: You lift a 1 kg object from the floor to the top of a 1.5 m high table. 1. What is the force needed…

A: Given: The mass of the object is 1 kg. The dsiplacement of the object is 1.5 m from floor to top of…

Q: 1. What is the scalar product of vectors X and Y, if X = 3.00 î+ 5.00 ĵ and Y = 3.00 î - 5.00 ĵ? A.…

A: According to question we need to find--- scalar product of given vector?

Q: 1. How much work would a 60.0 kg person do in climbing from the surface of the Earth to the top of a…

A: We are given weight of person. We are also given the height of mountain. The work done is the…

Q: 2. A block of mass 30.0 [kg] slides down from the top of the incline. The coefficient of kinetic…

A:

Q: Q2(Hw) In two Wattmeter method, iff W-120.6W W2%=220,5W, Calculate the load p.f.

A: The phase angle (lag) in two wattmeter method is given by :  Putting values :

Q: 2. A long thin rod of length L lies along the r axis. The end points of the rod are at I = 0 and r'…

A: Given: The total length of rod is L. The linear mass density of rod is λ. The distance of point P…

Q: Zero, a hypothetical planet, has a mass of 5.3 x 1023 kg, a radius of 2.8 x 106 m, and no…

A:

Q: A spring has a spring constant K of 94 N/m. How much must this spring be compressed, in mm, to store…

A: GivenSpring constant (k) = 94 N/mPotential energy (U) = 111 Joules

Q: 9. A compound wound spring has a spring constant k=2*x^2 + 18*x. It is compressed x-0 to x-0.8…

A: “Since you have asked multiple question, we will solve the first question for you. If you  want any…

Q: 2. A 59 kg person climbs up the stairs with a height of 5.5 m. a.How much work does the person do?…

A: Given , Mass of person( m) = 59 kg Height climbed by person (h)= 5.5 m

Q: 1. A cart of mass 2.4 kg rolls without friction on the track shown. At point A the cart is moving at…

A: a) by mechanical energy conservation  Kf + Uf = Ki + Ui  (1/2)mvb2 + mg(1.7) = (1/2)m×72 + mg(0.3)…

Q: solve the following. Provide 1. Given 2. Required 3. Equation 4. Solution 5. Answer

A: Solution:

Q: 4. I could better understand energy transfer if I ... Answer:

A: The capacity of doing work is called the energy of the body. The amount of work, that a body can do…

Q: SI unit of power is the Watt (W).

A: This question is based on Unit dimensions .

Q: 5. What 2 things must be present for work to be done on an object? a. A crane is lifting a car onto…

A:

Q: 59. a. Find the amount of work done in lifting a 50-lb weight upward 5 ft. b. If 200 N of force is…

A: a. the amount of work done is W=Fd=50 lb5 ft=250 lb-ft

Q: 2. Force and displacement are the two essential elements of work. Write true if the statement is…

A: False.  Reason- work done depends upon force displacement and the angle between force and…

Q: A runner exerts a force of 334 N against the ground while running a distance of 50.Om. The runner's…

A: Force exerted, F = 334 N Distance walked, s = 50 m Power, P = 3.71 kW = 3710 W   Work done by the…

Q: 2. A 45.0 kg boy is initially seated on the top of a hemispherical ice mound of radius 20.0 m. He…

A: Given data: The mass of boy is m=45 kg. The radius of mound is r=20 m.

Q: Question 7 A 74 kg man climbs a flight of stairs 12 m high in 30 s. Ho

A:

Q: Energy conservation: Consider a pinball-style ball launcher, oriented horizontally as in diagram i).…

A:

Q: One watt-hour is equivalent to: A. 6.3 x 103 J B. 6.3 x 10-7 J C. 3.6 x 103 J D. 3.6 x 10-3 J

A: Watt is the unit of power, and hour is the unit of time. Since power is the ratio of energy and…

Q: Q1/ Derive the power (watt) into its tlhe basic S.I mits?

A: Power = workdone/time

Q: A. Suppose you lift a 15 kg box by a height of 1.0 m. How much work do you do in lifting the box?…

A: (a) The work done in lifting the box is

Q: 30 kg box is placed on a 1.9 m tall shelf. a). What is the gravitational potential energy of the…

A: Given: A 30 kg box is placed on a 1.9 m tall shelf. mass m=30kg and height h=1.9 m To Find: a). What…

Q: A crane raises a 150 N weight to a height of 2.0 m in 5.0 s. The crane does work at a rate of

A: The question involves a crane that is lifting a weight of 150 N (Newtons) to a height of 2.0 m…

Q: Why is it tiring to push hard against a solid wall even if no work is done? A 75 kg firefighter…

A: Q 1) We get tired because we use our energy to contract the muscles. We try to push the wall using…

Q: Solve .need very urgent

A: The objective of the question is to calculate the gravitational work done by the vehicle while…

Q: 63. An object moving in the xy-plane is subjected to the force CALC F = (2xyî + x²ĵ) N, where x and…

A:

Q: A man climbs onto a wall that is 7.76 m high and gains 1723.8 J of potential energy. What is the…

A:

Q: a. How much horsepower does a 25 W household lightbulb consume? (Express your answer using four…

A: Q. Given that Power consumed by lightbulb P = 25 W

Q: A 900 kg elevator is raised by an electric motor up from the basement to the third floor, a vertical…

A:

Q: Q3. Find the amount of work done in lifting a body of 5 kg through 10 m. Take g = 10 m/s?. O 5J O 15…

A:

Q: 3. What is the potential energy formula?          a. What is the unit of measurements that each has…

A: potential energy [P.E  or U] PE = mgh where, a. PE is the potential energy of the object in…