R=0 a = a W : 1000 N R= 400 N a = W= 1000 N R=1000 N W = 1000 N

Q: How much work is being done the ball by the 10 n tension for The strinh during one complete…

A: Given : F = 10 N

Q: Work done When the direction of the force is in the direction of the displacement When the direction…

A: The work done by the object is expressed as follows. W=F·d Here, F is the force and d is the…

Q: KE (J) 그아 6 4 2 + t(s) 250 50 100 150 200

A: Power is defined as work done per unit time i.e. P = W∆t by the work-energy theorem change in…

Q: Calculate the dot product between the following vectors a) A=i-2j+5k and B=-3i+2j+2k b) A=-3i+j+2k…

A: (a) Let A and B denote the two vectors, and C denote the dot product of the two vectors. Therefore,…

Q: What is the minimum work that a motor must do to lift a 50 lb object from the floor to a height of…

A: CONCEPT: We know,              work done = force x displacement      So, work done  W=F×d Where,…

Q: Which of the following is not a unit of power?   a. J/s    b. W⋅s     c.  ft⋅lbs/s  d. hp

A: To find: which is not the unit of power?

Q: How long will it take a 4 hp motor to lift 400 kg piano to a sixth story window 1800 m above?

A: 1hp =746W so 4hp=4*746=2984W Mass ,m =400kg Height, h=1800m energy required to lift, E=mgh where g…

Q: Can nuclei of the same element have different values of Z? Of N? Of A? Can nuclei of different…

A: Given: To determine the nuclei having the same element have different values of Z,

Q: Find the velocity of the bucket with a mass of m = 2.00 kg attached to a cylindrical pulley with a…

A: Applying the conservation of energy we can write, Potential energy drop of the bucket = Translation…

Q: Fapp = 120 N m = 30.0 kg f = 5.00 N d = 0.800 m

A:

Q: Which of the following is not a unit of power? Select one: a. J/s b. W⋅s c. ft⋅lbs/s…

A: As we know that,            Power is the amount of energy transferred per unit time or rate of doing…

Q: Before: mI = 25.0 g mT = 25.0 g vI = 12.0 m/s East vT = 0 m/s After: mI = 25.0 g vI ' = 5.26 m/s @…

A:

Q: For C = 7F, v = 2V, q=____C

A: Given capacitance =  C = 7 F potential difference = v = 2V we have to calculate = q =____C ?

Q: Determine the power required to move an object that weighs 800 N a verticaldistance of 4 m in 2 s.…

A: Power is defined as the rate of doing work. P=wt If a force F causes a displacement d in the object,…

Q: 8. Find the charge and current in an RLC circuit with R = 11 ohms, L = (0.1 ) H and C = (0.01 + m)…

A:

Q: A wheel turns 2 revs in 4s. What is w?

A:

Q: What is the power in watts of a motor rated ¼ hp?…

A: Given: The power is 1/4 hp.

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: What is the minimum power output of a small electric motor that lifts a 0.060 kg mass through 5.0 m…

A: Given data as per the question Mass to be lifted =0.060 kg

Q: uld be. Assume no air resistance and that g-10 N/Ng Calculate, diagram, and label all forces. DON'T…

A:

Q: 94. Which of the following is a unit of energy?* O a. W O b. kg m/s O c.J O d. m/s

A: Energy : Energy is defined as the capacity of doing work.

Q: How much work can a 120 W motor do in 3.0 seconds? (120 W is the power of the motor.) Your answer:…

A: Power of the motor, P=120 wTime taken by the motor for working, t=3.0 sWork done by the motor…

Q: A comet at the farthest distance from the Sun of 4.75 x 10⁹ km moves with a speed of 1.18 km/s. What…

A: Given: Distance r1 =4.75(109 ) km Distance r2 =8.77 (10 7 ) km Speed at farthest position  v1 =1.18…

Q: A value of 1 Joule is equal to what? A. 1N * m^2 B. 1N*M C. 1 n/m^2

A: A value of 1 Joule is equal to 1N*M The correct answer is B.  1N*M

Q: Sergei uses a lever to lift a heavy rock. He obtains a 2.5 m lever and places the fulcrum 0.7 m from…

A:

Q: A 65000 gm woman walks up a flight of stairs that connects two floors 30 cm apart. How much lifting…

A:

Q: What is the minimum power output of a small electric motor that lifts a 0.150 kg mass through 2.0 m…

A: Given data:  Mass (m)= 0.150 lg Height (h) = 2.0 m Time (t) = 40 s Required: Power (P)

Q: m=3 g=9.81 w=??

A:

Q: The work is done in one second, or one hour, or one year is called the power. True False

A: Explanation :- We know that rate of work done i.e., work done per unit time is termed as power and…

Q: 1. A 40 meter chain hangs vertically from a cylinder attached to a winch. Assume there is now…

A:

Q: Q36. Alamp consumes 1000 J of energy in 10 s, what is its power? O 100 W O 1000 W O 100000W 1kW

A: Given that:- Energy=1000joule Time=10sec

Q: Analyze the degree of freedom or how many independent controllers to be incorporated for the…

A: Solution The number of independent variables required to completely specify the state of a system is…

Q: as the vertical distance of the The potential energy of an object same object from the surface of…

A: We are asking about effect on potential energy of an object as it goes vertically upward direction.

Q: The dimensions of Power is Select one: O a. ML2T-1 O b. MLT-1 O c. ML2T-2 O d. ML2T-3 O e. MLT-2

A:

Q: The units of Power is Select one: a. N.sec b. J/sec c. J.sec d. N/sec e. J/sec2

A: solution as

Q: Given the following vectors, calculate the cross product asked for: a=-21-33 5=61+43 a x =? O 10…

A:

Q: A motor consumes 15 kJ in 0.854 minutes. Calculate its power.

A: Given: Energy(E) =15kJ=15000J Time(t)=0.854minutes=51.24sec To find: Power(P)

Q: 20) What is the magnitude and direction of the force in each of the following situations? a) b) v =…

A:

Q: 25.0 0 www- 15.0 0 ww 25.0 0 30.00 ww ww 10.00 20.0 0 20.0 0 Fwwww 50.0 0 :40.00 50.0 0

A:

Q: A spring has a force constant of 332 N/m and an unstretched length of 5 cm. One end is attached to a…

A: Here we have to know the circular motion.

Q: esistanc

A: To overcome resistance when working through a difficult problem are as follows: a) First start with…

Q: What is the power rating of a motor that is capable of lifting a 100 kg object to a height of 20 m…

A: Given  Mass = M = 100 kg  Height =H = 20 m   Time required = 1 min = 60 sec  T = 60 sec