person lifted a bag of groceries 2.89 m from the floor onto a counter top using a constant force of 55.0 Newtons. If the force was applied for 6.0 seconds, how much power was generated by the individual, to the nearest tenth of a watt?

Q: A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 30 m in 2.0 min, what…

A: Given that,Force : F = 75 (N)Displacement : s = 30 (m)Time : t = 2 (min)Here we need to find the…

Q: A man pushes a lawn mower on a level lawn with a force of 210 N. If 40% of this force is directed…

A: Work done = force component in direction of displacement × displacement

Q: A 2,400-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.80 m…

A: GIVEN:- Mass of pile driver = 2400 kg Hight by which pile driver falls before coming into contact…

Q: A man pushes a lawnmower on a level lawn with a force of 193 N. If 40% of the force is directed…

A: Given: The force is F=193 N The horizontal force is FH=40100F=0.4×193 N=77.2 N The displacement is…

Q: You are working at a factory. You put a carton (box) with a mass of 2.5 kg on a 1.5-m frictionless…

A: Mass of carton (m)= 2.5 kg Length of ramp (L) = 1.5 m Angle of incline (θ) = 32.5o

Q: To get a feeling of the concepts of power and energy, let us look at the power and energy generated…

A: Energy is just the capacity to do work. Power is just the rate of energy consumption or expenditure.…

Q: How much power will a 260 N student develop if he/she climbs a flight of stairs 12 m from the ground…

A:

Q: A box is lifted vertically 1.5 m and is then held there. The box has a weight of 100 N. Ignore…

A: Work done on a body is given by,  Work = force × displacement W = (Mg) × ( h) = Potential energy at…

Q: A force of 20 Ib is required to hold a spring stretched 8 in. beyond its natural length. How much…

A:

Q: A girl on skateboard (total mass of 56.1 kg) is moving at 14.1 m/s at the bottom of a long ramp. The…

A: Mass of the girl M=56.1 kg Initial speed u=14 m/s Final speed v=0 Angle of inclination θ=19.490…

Q: A person carries a 50 kg object up a flight of stairs. There are ten stairs; each step is 30 cm high…

A:

Q: A 2,200-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.00 m…

A: Given,

Q: A cable with mass ½ kg/meter is lifting a load of 150 kg that is initially at the bottom of a 50…

A: The formula for the work done is: The work done required to lift the load only is:

Q: A man pushes a lawn mower on a level lawn with a force of 215 N. If 37% of this force is directed…

A: We are given a man pushing lawn mover. We are given the amount of force with which it is pushing. We…

Q: A man uses a rope and a system of pulleys to raise a 200-lb box to a height of 10 ft. He exerts a…

A: Solution: Given: F1 = weight of box = 200 lb s1 = height through which box is lifted = 10 ft F2 =…

Q: A child pulls on a wagon with a force of 67 N. If the wagon moves a total of 45m in 188 s, what is…

A:

Q: A man pushes a lawn mower on a level lawn with a force of 191 N. If 25% of this force is directed…

A:

Q: A man pushes a lawn mower on a level lawn with a force of 192 N. If 45% of this force is directed…

A:

Q: A man pushes a lawn mower on a level lawn with a force of 185 N. If 48% of the force is directed…

A:

Q: A 2,200-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.60 m…

A: Given,Mass of the pile driver, m = 2200 kgthe driver falls, d = 4.60 m (before coming to…

Q: A man pushes a lawn mower on a level lawn with a force of 194 N. If 49% of this force is directed…

A: Consider a man applied force F on a lawnmower and it displaces by a distance d.

Q: a man and his son weigh 81.8 kg and 41 kg respectively. They climb identical ladders to a height of…

A: mass of man, M = 81.8 kg  mass of son, m = 41 kg  height, h = 6 m  time, t = 30 s

Q: A 2,000-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 3.00 m…

A:

Q: A 2.2 kg object is initially moving at 5.78 m/s. After a time of 4.9 s, the object is moving at a…

A:

Q: A man pushes a lawn mower on a level lawn with a force of 201 N. If 38% of the force is directed…

A: Given,

Q: A man pushes a lawn mower on a level lawn with a force of 206 N. If 31% of this force is directed…

A:

Q: A person used 60 W of power to carry a 55 N box up a 5 m ladder. How long did it take him to do…

A: We know, work done (w)= Force×displacement =F×d And power(P)= W/t So time taken to do the work (t) =…

Q: A demolished car weighing 15,000 N is picked up by an electromagnet on a crane in a junkyard. It…

A: Weight of car (w) = 15000 N distance lifted (d) = 10 m time taken (t) = 4 seconds

Q: A conveyor belt can lift 40 cans per second 3.40 meters up onto a casing floor.  If each can has a…

A:

Q: A man pushes a lawn mower on a level lawn with a force of 187 N. If 43% of this force is directed…

A: Work done  W = Force * displacement Force must be in direction of displacement.

Q: How much potential energy does a 28.81 kg box have at a height of 7.46 m? Round your answer to 2…

A: Given thatm=28.81 kgh=7.46 mpotential energy is given by, U=mghwhere m is massg is acceleration due…

Q: A 2.2 kg object is initially moving at 5.78 m/s. After a time of 4.9 s, the object is moving at a…

A: We have- Mass of the object (m)=2.2 kg Final velocity(Vf)=8.72 m/s Initial velocity(Vi)=5.78 m/s To…

Q: An object is placed to a shelf from the ground which is 1.8 m higher. find out how much work is done…

A:

Q: An electric chain hoist is used to lift a 250 kg crate.  The motor provides 2.1 kW of input power to…

A: