A man weighing 180 lbf is pushing a cart that weighs 100 lbf with its contents up a ramp that is inclined at an angle of 10° from the horizontal. Determine the work needed to move along this ramp a distance of 100 ft considering (a) the man and (b) the cart and its contents as the system. Express your answers in both lbf·ft and Btu.

Q: A.) Determine the work done on the box by an applied force (force on the box exerted by the person)…

A:

Q: A 7.80-g bullet moving at 520 m/s penetrates a tree trunk to a depth of 5.30 cm. (a) Use work and…

A: a)Write the mathematical expression for work energy theorem.

Q: You have your textbook and pen with you while working on this exam. Assume the height of your…

A: Given Data : The height of the desk is given as H = 1m. The mass of the book is given as mb. The…

Q: Two football players are in a competition to see who can pull a 150.0 kg container over the entire…

A: Introduction: According to Newton's 1st law of motion, at equilibrium, total force acting on the…

Q: Question: A person lifts a 1.75kg mass in the vertical direction through a distance of 1.35 meters.…

A: Given value--- mass = 1.75 kg. vertical distance= 1.35 m. We have to find--- Calculate the amount…

Q: An assistant for a football team carries a 32.0 kg cooler of water from the top row of the stadium,…

A: The expression to solve for the work done by the assistant is as follows: WA=KEf-KEi+PEf-PEi…

Q: Consider a system of a cliff diver and the Earth. The gravitational potential energy of the system…

A: Given that gravitational potential energy of the system decreases by 26,000 J so that PE=26000 J…

Q: A 7.80-g bullet moving at 650 m/s penetrates a tree trunk to a depth of 6.50 cm. (a) Use work and…

A: Given: The velocity of the bullet is v=650 m/s, The depth bullet penetrates is d=6.50 cm, The mass…

Q: You are curious about how the human heart is able to pump blood up to the brain while standing up,…

A: We are given mass of blood which is pumped to brain each heart beat. We are also given the height…

Q: As shown in the attached image, a box of mass = 66.0 kg (initially at rest) is pushed a distance of…

A: (a) The work done by the force of friction is Substitute the values in equation (1) to find the…

Q: The following information applies to the next two questions (questions 25 and 26). A particle of…

A: Force is a physical quantity that can cause an object with mass to change its state of motion or…

Q: A 144 kg crate slides down a ramp, starting from rest. The ramp is inclined at an angle of 15.5…

A: Work done by gravitational force=mgh Here h is height of inclined

Q: The engine of a Honda Civic has a power of 1.32 x 105 W (176.88 hp).   a) How much work does this…

A: Power is defined as the energy transferred per unit time. Since this energy is consumed in work…

Q: A 7.80-g bullet moving at 500 m/s penetrates a tree trunk to a depth of 5.60 cm. (a) Use work and…

A: Given, Mass of bullet m = 7.80 g = 7.80 x 10-3 Kg Initial velocity u = 500 m/s Distance d = 5.60 cm…

Q: (a) At a certain instant, a particle-like object is acted on by a force F = (2.60 N) – (3.70 N) +…

A: The instantaneous rate at which the force does work on the object can be calculated using the dot…

Q: A man lifts a 12 kg bucket of water at constant speed, from the bottom of a hole that is 17m deep.…

A:

Q: A 7.80-g bullet moving at 620 m/s penetrates a tree trunk to a depth of 5.40 cm. (a) Use work and…

A: Given data The mass of the bullet is m = 7.80 g = 0.0078 kg The initial velocity of the bullet is: u…

Q: You throw a 24.0 NN rock into the air from ground level and observe that, when it is 14.0 mm high,…

A: weight = 24 N mg = 24m = 24/9.8 m = 2.45 kg H = 14 m V = 16 m/sA)Using work energy theorem…

Q: A 70 kg rollerblader skates across a skating rink floor. The graph below shows the net external…

A: Write the expression for the work done. W=F→⋅d→W=FdcosθW=(Fcosθ)(d)

Q: Consider the woman doing push-ups in the figure. She has a mass of 49.2 kg, and the distance from…

A: The objective of the question is to calculate the work done by the woman in doing push-ups and her…

Q: A 5 kg block is pushed 3 meters along a frictionless horizontal table by a constant 20 N (20…

A: Given, Mass of block m = 5 Kg push distance s = 3 m Horizontal force F =20 N Angle θ=60∘   We know…

Q: If a team pulls with a constant force and moves the plane 3.7 m in 6.1 s (an excellent time), what…

A: The plane has a given mass of 74000 kg, and there also exists a force of rolling friction between…

Q: Starting from rest, a 1.7x10 kg flea springs straight upward. While the flea is pushing off from the…

A: Given that,  Mass of flea, m=1.7×10-4 kg The initial speed of flea, vi = 0 m/s Upward force, F=0.35…

Q: 5.1. A 5.0 kg weight falls past a window that is 1.5 m in vertical length. (a) How much work does…

A: Mass of weight,                   Height of window,

Q: A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle…

A: Given data: Mass (m) = 73.5 kg Initial velocity (v0) = 5.2 m/s Final velocity (v) = 12.2 m/s…

Q: A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle…

A: Given :- mass of water skier = 61.2 kg initial velocity = 5.1m/s speed increases to 12.1 m/s

Q: A 7.80-g bullet moving at 530 m/s penetrates a tree trunk to a depth of 4.50 cm.  (a) Use work and…

A: (a).According to the work energy theorem, the net work done is equal to the change in kinetic energy

Q: A 7.80-g bullet moving at 560 m/s penetrates a tree trunk to a depth of 5.80 cm. (a) Use work and…

A: use work energy theoremwork done = change in kinetic energy - frictional force * d = - (1/2)m (U)2 f…

Q: work and energy considerations to find the average frictional force that stops the E uming the…

A: Work energy theorem states that  Work done = change in kinetic energy

Q: I need help with part D!!

A: The increase in gravitational potential energy of block will be,

Q: How much work is done when you push a crate horizontally with 120 NN across a 11-mm factory floor?…

A: The work done is given by  W  F x d  where, F is the force in the direction of  displacement and d…

Q: A 7.80-g bullet moving at 650 m/s penetrates a tree trunk to a depth of 5.80 cm. (a) Use work and…

A:

Q: cyclist is riding a bike at 6.50 m/s on a horizontal track. The cyclist and their bike have a…

A: