Work is measured in the units of? Choose all that apply.   A. Joules (J)   B. Kilocaloie   C. Nm (Newton meter)   D. Calorie

Q: 10. What is the work from 6m to 8m in the diagram below? а. 2J b. 4J C. 6J d. 8J Posten m) (N

A: According to question we need to find work done from 6m to 8m.

Q: A bucket begins weighing 10 pounds, including the sand it holds. The bucket is to be lifted to the…

A: Conversion unit:1 ms2=3.28 foots2 Given: m=10 pounds mass leaking per meter= 0.3 x g=32.144 Foots2…

Q: 85. What is work – energy theorem? a. It states that whenever work is done, energy changes. b. It…

A: The amount of work done by all the forces on a particle is equal to the change in kinetic energy.

Q: 2. A bowler lifts a bowling ball from the floor and places it on a rack. If you know the weight of…

A: Given,             we know that ,weight of the ball Here, work done =change in potential energy…

Q: *Multiple Choice What is the total work done? A. 235 J B. 4J  C. no answer D. 0 E. 92 J F. 96…

A: Given, mass of the block, m = 30.0 kgapplied force, Fapp = 120 Nfrictional or force in opposite…

Q: When the force is opposite the displacement of the object where it is acting, the force is doing  A.…

A: Solution-: Since force is opposite the displacement of object then angle between force and…

Q: A. Which case has the greates amount of work done of P over distance d B. Which case has the least…

A: A.  Correct option is E.  Work done is given by F. d. Dot product of force and displacement. Both…

Q: A runner is moving at a constant speed on level ground. Chemical energy in the runner’s body is…

A: A runner is moving at a constant speed on level ground.

Q: Work is energy transfer. When work is positive A. energy is transferred to the surrounding. B.…

A: When work is positive then energy is transferred from surrounding to the system as per first law of…

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: a.)How much work is done by the environment in the process shown in the figure? b)Is energy…

A: Part a.

Q: What happens when an object is moved against gravity, such as rolling a toy car up a ramp? a.…

A: Option C is correct

Q: What is the difference between when work is done by a system and when work is done on a system? a.…

A: Introduction :- Here we need to think about the concept of energy (internal energy) which depends…

Q: Which of the following statements are TRUE? A. Work is a scalar physical quantity. B. Work can be…

A:

Q: Which of the following statements are FALSE? A Work is a scalar physical quantity. B. Work can be…

A: Work done is defined as product of force and displacement in direction of applied force . If force…

Q: the height of the Iguazu Falls is 82 m. A log of wood with mass 1350 kg moves at 7ms -1 in the water…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 64. Which of the following statements is/are true about the value of work done?   a. The work done…

A:

Q: a. A boy running across a playground b. A mother dancing with her baby in her arms c. A basket being…

A: a)a boy running across a playground. F) A big box dragged across the floor . C) a basket is being…

Q: 1. Approximate the total work done by the force shown on the graph below. F 14 12 10 8. 6. 4 4 8 10…

A:

Q: 5. If the sign for work is negative, * O a. Kinetic energy is increasing. O b. Kinetic energy is…

A: work energy theorem. Work done is equal to change in Kinetic energy. W = K.E 2- K.E 1 K.E. 2 -…

Q: * Two narrow slits are used to produce a double-slit interfer- ence pattern 0.90 mm, and the…

A: Answer             6.136 * 10-7 m

Q: Which of the following statements is/are true about the value of work done? a. The work done by a…

A: The work done due to a force is given by  W = Fd.cos(θ) Here F = Force d = displacement θ = angle…

Q: How much work is done when a 4kg block of ice is moved from rest to a speed of 5m/s?   A. 50 J…

A:

Q: If you have a ball with a mass of 6.00kg, that has an initial velocity of vA=(2.00i + 5.00j)m/s and…

A: Given value--- mass = 6 kg. initial velocity =( 2i + 5j ) m/s. final velocity = (-2i + 8j) m/s. We…

Q: 1. Which of the following statements describes motion?  A. It is the ability to do work. B. It is…

A:

Q: 6. Engines, including car engines, are rated in horsepower. What is horsepower? a. The force needed…

A: Horsepower is defined as power produced by the engine.

Q: work done by the work done by a conservative force is NOT true, if any?  a.All of the above…

A:

Q: Which of the following statements are TRUE? A. Energy is a vector physical quantity. B. Energy is…

A: A. Energy is not a vector quantity, it is a scalar quantity : FALSE B. Energy is required to do work…

Q: Work done on a system puts energy into it. Work done by a system removes energy from it. Give an…

A: Work done and work by the system

Q: The unit of work, joule, is dimensionally the same as: a. Newton‑meter    b. Newton/kilogram.…

A: The unit of work, Joule, is defined as the product of force and displacement, where both force and…

Q: B. Energy is always required to do work. C. Total mechanical energy can never be zero. D. When law…

A: A. is false .because Energy is a scalar quantity as it has only magnitude. B is true  Energy os…

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.