What are the units of power? a) Newton b) Joule c) Watt d) No units
Q: A motor used 120-watts of power to raise a 15-newton object in 5.0 seconds. Through what vertical…
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Q: Calculate the total WORK performed by a generator that is uses 355 Watts of power for 5 seconds? *…
A: Write the expression for the work. Here, P represents the power and t represents the time.
Q: Power is measured in the units of? Choose all that apply. A. kJ (Kilojoules) B. Nm/s (…
A: Power = EnergyTime=Js=WattPower =Force ×displacementTime=Nms
Q: The rate at which work is done is known as .
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Q: Which of the following statements are TRUE? A. Power is a scalar physical quantity. B. Power can be…
A: A - True ( since P=W/t & work is scalar) B - True (since work can be positive, negative &…
Q: By using a simple and practical example, explain that based on the choice of one's system of study,…
A: When a force acting on a body displaces it over a certain distance, work is said to be done. Work is…
Q: What is another name for energy of motion? A) Motional energy B) Potential energy C) Kinetic energy…
A: Given:- What is another name for energy of motion?
Q: Energy is ________ a) Work b) The ability to create work c) Quantification of work d) Force…
A: To explain: Energy is ________
Q: What do Potential and kinetic energy have in Common? Both increase as an object falls Both decrease…
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Q: If Nellie newton pushes an object with twice a force for twice the distance, she does A.) 8 times…
A: Work done = Force x Displacement W=F.d
Q: A. is energy of motion B. is energy of falling objects C. can be converted to kinetic energy D.…
A: Potential energy is energy of an object or system due to its configuration in conservative force…
Q: Q86. A watt is a. 1 joule per second b. Equal to 1 (kg)(m^2)/s^2 c. The unit for all types of power…
A: Watt: It is the unit of power. Power is the rate of work done. 1 W=1 J/sSince J=Nm=kgm2/s2So1 W=1…
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: 1903 kg car travels at a speed of 11.7 m/s. what is its kinetic energy? answer in J units
A: Given Data: The mass of the car is, m = 1903 kg. The velocity of the car is, v = 11.7 m/s. The…
Q: 2) If the net work done on an object is zero, then the object's kinetic energy A) decreases. B)…
A: using Work Energy theorem the net work done on an object is equal to change in the object's kinetic…
Q: Which of the following type(s) of energy is/are present when there is no visible motion? A)Thermal…
A: Thermal energy : Thermal energy is energy possessed by an object or system due to the movement of…
Q: What is Power? Power can Power has many different be used to refer to a source of plant. If a girl…
A: Power has many different forms and types. Power can be used to refer to a source…
Q: done
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Q: A dog and a mouse run down the road with the same Kinetic energy. The faster moving one is the
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Q: A ball is thrown straight up from the ground. The work done on it by the force of gravity is
A: Suppose a body of mass "m" & it is thrown vertically upward.
Q: The following lab set-up consists of two carts on a frictionless surface. Each end of the spring is…
A: Given:- The mass of cart A is m and the other mass of cart B is 3m and both the cart are connected…
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: One Watt = ? A) 1 Joule/sec B) 1 erg/sec C) 1 Pascal/sec D) 1 m/s
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Q: Which one of the following quantities is NOT measured using the standard unit of Joules? O a.…
A: We need to determine the units of given options and check which is not Joules.
Q: Forgiving person as the time needed to run up a flight of stairs decreases the power does what
A: When the force is applied on a body,the work is done by the system to move it by a distance. Work…
Q: An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force…
A: mass = 2 kg height = 2m if the value of g = 10 m/s2
Q: In which of the situations is NO work being done? * a. holding a box overhead b. pushing a box…
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Q: In what form should be the vehicle's energy be when it is at this point? a.half potential energy…
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Q: Kyle was able to accomplish the same amount of work in half the time Lito did it.How does the power…
A: Write the given values with suitable variables. W=constanttK=tL2 Here, tK and tL are the time taken…
Q: A 65000 gm woman walks up a flight of stairs that connects two floors 30 cm apart. How much lifting…
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Q: A force of 5 N acts on an initially stationary object of mass 15 kg. Calculate the work (J) done by…
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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: What does potential energy depend on? Select one: a. height b. speed c. acceleration d. area
A: Potential energy U =mgh m = mass g = gravitational acceleration h = height
Q: The units of power are Select one: a. Kg.m/s b. N.m^2/s C. N.m/s d. N.m O O
A: Power :- Power is defined as the work done divided by time. And the SI unit of power is Watt 1 Watt…
Q: When we say work is done by a force, we mean the force does? A) all the work B) positive work C)…
A: When we say work is done by a force, we mean the force does positive work.
Q: The work down in accelerating a body along a frictionless horizontal surface equals the body's…
A: Given data: Body accelerate on the horizontal surface Surface is frictionless Required: Work done
Q: Kinetic energy depends on A. Mass and volume B. Weight and height C. Velocity and weight D.…
A: We know that , Kinetic Energy (K.E) = (1/2)×mass×(velocity)2
Q: A different car accelerated from 0.12m/s to 0.52m/s The acceleration of the car was 0.40ms2 The…
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Q: Which of the following statements are FALSE? A. Power is a scalar physical quantity. B. Power can be…
A: Rate of doing work is known as power . So power (P) = W/t
Q: Which of the following will have a bigger impact on potential energy? Group of answer choices Need…
A: The objective of the question is to identify which factor will have a greater impact on the…
Q: Power output can be increased by Select one: a. Increasing the amount of time in which work is done…
A: Ques: power output can be increased by
Q: A body at rest or in uniform motion is one that undergoes acceleration O is in equilibrium O is…
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Q: How much work was done if an objects kinetic energy changes from 35 J to 15 J? A) -20 J B) 20 J C)…
A: Given, Initial KE =35J Final KE=15 J
Q: a watt is a. 1 joule per second b. Equal to 1 (kg)(m^2)/s^2 c. The unit for all types of…
A: The watt is the unit of Power or radiant flux. One watt of power is defined as the…
Q: Match each example to the type of work or energy described. a swing travels in the same direction it…
A: Too match the correct options for the given question.
Q: Which of the following formulae for Power is INCORRECT? а. V b. v2 R С. VI d. 12R
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Q: Jeanine used 250 J of energy to lift a 15 kg box. How far did she lift the box?
A: Given: Potential energy = PE = 250 Joules Mass = m = 15 kg g = Gravitational acceleration = 9.8…
Q: Match each example to the type of work or energy described. a swing travels in the same direction it…
A:
What are the units of power?
a) Newton
b) Joule
c) Watt
d) No units
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