A student lifts a 50 pound (lb) ball 4 feet (ft) in 5 seconds (s). How many joules of work has the student completed?

Q: A spring and block are in the arrangement of the figure. When the block is pulled out tox - +5.0 cm,…

A: We know that we have given a system with the spring..When the block is pulled out to x = +5.0 cm, we…

Q: Work is a scalar quantity. Explain.

A: A scalar quantity is the one which has magnitude but not direction. The work is done when a force…

Q: An object undergoes a displacement Ar =5i+2j. During the displacement, a constant force F = 3i -1j…

A: The work done by the force is given by  W= F→ . r→ where, F is the force and r is the displacement…

Q: A force of 2 pounds is required to hold a spring stretched 0.3 feet beyond its natural length. How…

A: calculation

Q: A horizontal force F is applied to move a 6kg carton across the floor. If the carton starts from…

A: Mass of carton (m) = 6 kg Applied force = F Initial speed (u) = 0 mstime (t) = 3 seconds Final speed…

Q: A constant force of magnitude 115 N acts on a particle that moves from A = (9i + 3j) m to B = (9i +…

A: The displacement vector (s) from point A to B will be given as, Let the force vector (F) is given…

Q: An object of mass 3.00 kg is dropped off the top of a building which is 46.1 m high. How far is the…

A: The objective of this question is to find the height above the ground when the kinetic energy of the…

Q: A force acting on an object moving along the x axis is given by Fₓ= (14ₓ-3ₓ²)N where x is in M.…

A: The force acting on an object moving along the x-axis is given as,

Q: It takes you 1.5 s to push a 28 kg box by 4.4 m across a horizontal floor with a constant force of…

A: Given that,The time : t = 1.5 (sec)The mass of block : m = 28 (kg)The displacement of the block…

Q: A dockworker pushes a box along a horizontal floor and moves a distance of 4.6 m with a force F…

A:

Q: It takes you 1.5 s to push a 28 kg box by 4.4 m across a horizontal floor with a constant force of…

A: The time taken to push the block, t = 1.5 s The mass of the block, m = 28 kg The displacement of the…

Q: A spring and block are in the arrangement of the figure. When the block is pulled out to x = +5.0…

A:

Q: force is equal to the weight w=mg

A:

Q: WORK = (YOUR WEIGHT IN NEWTONS) X (HEIGHT OF STAIRS IN METERS) Work (Joules) = force (N) x distance…

A: Given that, Weight (Wt)= 48 N Height of stairs (h)= 1.8 m Time taken in walking (tw)= 0.8 s Time…

Q: forces act, one of which is known to be constant in time:  F1 = (5 N)î + (7 N)ĵ.  As a result, the…

A: Work done by the force is given as  W = F.r r = displacement vector

Q: A spring and block are in the arrangement of the figure. When the block is pulled out to x = +5.0…

A:

Q: A certain force has components F in Newtons and distance in meters. = 4x²+1, Fy = 2y, F₂ = 0, where…

A:

Q: An object is subject to a variable force shown by the graph below.  Force is in newton and the…

A: Work-done is given by the area under curve of Force vs. displacement graph W=∆F·∆x…

Q: Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of…

A:

Q: A 156 gram ice hockey puck slows down from 45.0 m/s to 44.5 m/s as it slides 17.5 m across the…

A:

Q: An object of mass (m = 5.4 kg) moves under the influence of one force. That force causes the object…

A:

Q: The graph shows the xx component of a force that acts on an object that moves on the xx axis. The…

A:

Q: You do 9.4 J of work to stretch a spring with k = 190 N/m, starting with the spring unstretched. How…

A: Work done W = 9.4 J Spring constant k = 190 N/m

Q: In Figure, a chain is held on a frictionless table with one third of its length hanging over the…

A: Given length of chain L=100cm=1m Mass M=2.5kg  Therefore mass per unit length ρ=M/L=2.5kg/m Hanging…

Q: A cube with a mass of 2.5 kg slides down from the top of a frictionless ramp 1.5 m high. The ramp is…

A:

Q: A 3.00 [kg] brick slides head-on to a spring with spring constant k = 320 [N/m]. When the 1 stops,…

A:

Q: find the net work done by the force as the object moves from x = 0 to x = 3 m.

A: Given: Force on an object is Fx=7x-17 N; here x is in meters. Graph Fx vs x is given. Note: 1 J=1 Nm…

Q: A force F is applied to a 2.0 kg radio- model car parallel to the x-axis as along a straight track.…

A: To calculate the work done from the given graph, the following concept to be used. " The area under…

Q: A 0.75 N force of kinetic friction acts on a hockey puck as it slides on ice for 23.4 m. What is the…

A: The work done by a force is calculated by using the formula W=Fd , where F=0.75 N is the force of…

Q: A concrete block is pulled 4.5 m to the right across a smooth surface. The tension in the rope is…

A: Given data :- displacement d = 4.5 m (along right) Tension force T = 199.4 N Angle between Tension T…

Q: ce in the rope is 58.0 N and the angle is 30° with respect to the horizontal. The frictional force…

A: GivenMass of boxm=15 kgDistance covered, d=6 mTension Force, T=58 NAngle, θ=30° Frictional force on…

Q: Number Units Number i Units Number Units Number Units (c) x

A:

Q: A force F parallel to the x-axis is given by the graph. (16 Determine the work, W, done by the force…

A: Given:

Q: A spring and block are in the arrangement of the figure. When the block is pulled out to x = +4.0…

A: A spring and block are in the arrangement of the figure. When the block is pulled out to x = +4.0…

Q: A person pulls a crate 49.4 meters along a horizontal floor by a constant force 103.2 N, which acts…

A: Given Data Displacement of the crate is d=49.4 m Applied force on the crate is Fa=103.2 N Angle of…

Q: The force acting on a particle is Fx = (8x - 16), where F is in newtons and x is in meters. (a) Make…

A:

Q: A saltwater crocodile (Crocodylus porosus) with a mass of 531 kg, is seen chasing prey and reaching…

A: Given, Mass of crocodile, m = 531 kgfinal speed , v = 25.9 km/h =25.9×1000m3600s =7.19 m/sTime taken…

Q: A person pulls a crate 43.5 meters along a horizontal floor by a constant force 112.3 N, which acts…

A:

Q: f his toys of mass 15.0 kg along a rough horizontal surface for a distance of 6.00 m. The tension…

A: Given:- the mass of the box is m= 15 kg  The angle at which the force is applied is 30 degree  The…

Q: A chain is held on a frictionless table with one fourth hanging over the edge. If the chain has a…

A:

Q: The equation F = (6x5 + -7x4 + -5) describes the force applied on a 8.02 - kg particle, where F is…

A: Given, Force=6x⁵-7x⁴-5 We have to find the workdone.

Q: The graph shows the x component of a force that acts on an object that moves on the x axis. The…

A: