The following are multiple choice questions. No explanations required. Choose the correct answer d) Two blocks slide a distance d on a surface without friction, starting from rest. Both blocks have the same applied force F, acting parallel to the motion. Block A has twice the mass of block B. In which case did the applied force F do the most work? e) The earth orbits around the sun. Which force has a larger magnitude? A – force of the sun on the earth B – force of the earth on the sun f) Two balls are dropped from the same height. Both balls bounce (perfectly elastic) when they hit the ground. Ball A has half the mass of ball B. Which ball has a greater change in momentum during the bounce?

The following are multiple choice questions. No explanations required. Choose the correct answer d) Two blocks slide a distance d on a surface without friction, starting from rest. Both blocks have the same applied force F, acting parallel to the motion. Block A has twice the mass of block B. In which case did the applied force F do the most work? e) The earth orbits around the sun. Which force has a larger magnitude? A – force of the sun on the earth B – force of the earth on the sun f) Two balls are dropped from the same height. Both balls bounce (perfectly elastic) when they hit the ground. Ball A has half the mass of ball B. Which ball has a greater change in momentum during the bounce?

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Physics help! what is the work Wn done on the box by the normal force? so find Wn=____J * hint given background information "the work Ww done in the box of weight of the box is Ww= 1.8 J" next find the work of Wfk done on the box by the force of kinetic friction? give your answer in: Wfk=___J i have attached supporting details at the bottom.
1480 kg car accelerates uniformly from a position of rest to a speed of 95 km/h in 6.0 s. a) Calculate the car's acceleration. b) How far did the car travel during this acceleration? b) How much work was done by the car during this 6.0 s?
1. A 7.50-kg box initially at rest slides down a 15.0 m long incline that makes an angle of 22.0° with the horizontal (see figure). At the bottom of the incline, the speed of the box is 3.00 m/s. a) Draw a free body diagram, detailing all of the forces acting on the box. b) Using the work done by non-conservative forces relationship, find the algebraic expression for the coefficient of kinetic friction between the box and the incline. c) Calculate the coefficient of kinetic friction.
Consider a rope lowering a mass m=2.45kg at a constant speed v=8.73 m/s down a distance of d=5.72 m as shown in the figure below. c) What is the work done on the mass by the tension in the rope as it descends a distance d=5.72 m? d) What is the change in kinetic energy of the mass as it descends a distance d=5.72 m?
Several physical situations are described below. For each situation, simplify the work-energy equation by canceling any zero terms and any energy terms (whether KE or PE) which are unchanging. Explain each term which gets canceled. A track is constructed by stretching a grooved and pliable material between two lab poles. A metal ball starts from rest at point A and rolls to point B. Friction and air resistance have an effect upon the ball's motion. Simplification of Work-Energy Equation KEi + PEi + Wnc = KEf + PEf
Chose correct option please
F please
An object with a mass of 15kg slides down an incline with a length of 6.0m at an angle of 28 degrees from horizontal. The coefficient of friction between the object and incline is 0.25 a) How much work does the gravitational force perform on the object? b) How much work does the frictional force perform on the object? c) What will its speed be as it reaches the bottom of the incline?
Conservation of Energy When Work is Done Whiteboard Problems (Page 10):917 \ 1. A 10.0 kg block rests at the top of an incline that is 4.00 m high and 5.00 m long. A) Find the potential energy of the block when it is at the top of the incline. B) What is the speed of the block at the bottom of the incline, if it is frictionless? C) If the incline is not frictionless, and the block experiences a constant 10.0 N force of friction as it moves down the incline, find the speed of the block at the bottom.