5. Starting from rest, a 5.00-kg block slides 2.50 m down a rough 30.0° incline. The eoeffieient of kinetie frietion between the bloek and the ineline is k 0.436. Determine (a) the work done by the force of gravity, (b) the net Work

Q: (II) How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.3 m across a rough…

A: Given, Mass of crate is 46.0 kg and move to distance 10.3 m and coefficient of friction is 0.50

Q: (II) What is the minimum work needed to push a 950-kgcar 710 m up along a 9.0° incline? Ignore…

A: Given data The mass of the car is m = 950 kg. The distance covered by the car is d = 710 m. The…

Q: 4. In a time t=18.00 s, a 60.0-kg student runs at a steady pace up two flights of stairs whose…

A: Given data:  Time (t) = 18.00 s Mass (m) = 60.0 kg Vertical height (h) = 7.80 m Required: Power…

Q: What is the net work of a system if there is an applied force pushing it at a value of 7887.04N at a…

A: Given, Pushing force , F = 7887.04 N Distance, s = 26.62 m Coefficient of kinetic friction, μk =…

Q: 4. Calculate the total work done by the system from a; = 1.40 m to af = 4.80 m when force applied on…

A: Write the equation for the work done. W=∫xixfFxdx Substitute the expression for the force in the…

Q: A 907 kg elevator carries passengers with combined mass of 542 kg as it ascends at constant speed of…

A:

Q: What is the net work of a system if there is an applied force pushing it at a value of 5667.61N at a…

A: Solution: Given that applied force F=5667.61 N distance, d = 20.15 m kinetic friction coefficient…

Q: what is the total work done by the force over the distance x=0 to x=15.0m?

A: Work done is basically the area under the graph of Force vs displacement!

Q: Find the work done by 45N force in pulling the suitcase at an angle of 50d egrees with respect to…

A:

Q: A 5.0-kg box has an acceleration of 2.0 m/s2 when it is pulled by a horizontal force across a…

A: Given: Mass of the box = 5 Kg Acceleration of the box = 2 m/s2 Coefficient of the kinetic friction =…

Q: An archer pulls a bowstring back 0.500 m by exerting a force that increases uniformly from zero to…

A: It is given that, x=0.500 mF=250 N

Q: 11. A child pulls a 7.4-kg toboggan 4.2 m across level ground with a 15-N force that is 34° above…

A:

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

A:

Q: 4a) How much work is required to accelerate a 50.0 kg box along a flat, frictionless horizontal…

A:

Q: 1. Work is done on the object in the following situations EXCEPT A. lifting a bag C. pushing a rigid…

A:

Q: A 1200 kg car going 30 m/s applies its brakes and skids to rest. If the friction force between the…

A: Given Data, Question-1 Mass of the Car(m)=1200 kg Initial Speed of the car(u)= 30 m/s Friction Force…

Q: Spiderman, whose mass is 74.0 kg, is dangling on the free end of a 12.2-m-long rope, the other end…

A: The work done by the gravitational force on the spider man in this maneuver is Wg=mg∆h=mgl-lcosθ…

Q: Suppose you drag a box 8.0 m across a horizontal floor, exerting a force of 90. N at 35 degrees…

A:

Q: As a young man, Tarzan climbed up a vine to reach his tree house. As he got older, he decided to…

A: To determine: A young man Tarzan climbed up a vine to reach the tree house, what did the king of…

Q: Calculate the power output needed for a 952-kg car to climb a 2.00° slope at a constant 33 m/s while…

A:

Q: Matthew pulls his little sister Sarah in a sled on an icy surface (assume no friction), with a force…

A: Given data: Force (F) = 60.0 N Angle (θ) = 37.0° above the horizontal Distance (d) = 12.0 m…

Q: "A 4.00-kg box of fruit slides 8.0 m down a ramp, inclined at 30.0e from the horizontal. If the box…

A:

Q: Suppose a 925-kg car climbs a 2.05° slope at a constant speed of 30.5 m/s.   Calculate the power…

A: Since, the car climbs the slope with a constant velocity, the expression for the power required is,

Q: A constant force of 12 N in the positive x direction acts on a 4.0-kg object as it moves from the…

A: A Given force F= 12N The force is in the positive x direction so  F=12 i Displacement d=(6i-8j)m

Q: What distance can a crane lift a 55.0 N box, if it expends work of 2.00 x 104 Joules?

A: given ;    force, F = 55.0 N , work done = 2.00 x 104  Joules  formula used;     W = F x d   where,…

Q: A 0.14-kg pinecone falls 16 m to the ground,where it lands with a speed of 13 m>s. (a) With what…

A:

Q: What is the net work of a system if there is an applied force pushing it at a value of 7887.04N at a…

A: Given; applied force F=7887.04 Ndistance travelled d = 26.62 mcoeff. of kinetic friction μk=0.05mass…

Q: Suppose a 975-kg car can produce a useful power output of 42.5 hp (1 hp = 746 W). How long, in…

A: Data Given ,  Mass of the car ( m ) = 975 kg Power of the car ( P ) = 42.5 hp   = ( 42.5 × 746 ) W =…

Q: A crane lifts a 650 kg beam vertically upward 6.6 m and then swings it westward 18 m. How much work…

A:

Q: Felip carries a 250-N bag up three flights of stairs, a height of 12.5 m and then pushes it with a…

A:

Q: Can the normal force on an object ever do work? Explain.

A: The work done on any object is given by W=Fd

Q: 9- How much work must be done to stop an 1800 kg vehicle traveling at 30 m/s ? a- 1.8 x 104J b- 5.4…

A: mass of vehicle (m) = 1800 kg Initial velocity of vehicle (u) = 30 msfinal velocity of vehicle (v) =…

Q: What is the net work of a system if there is an applied force pushing it at a value of 7592.58 N at…

A:

Q: A worker pushes a wheelbarrow 5.0 m along a level surface, exerting a constant horizontal force of…

A: Given that Distance moved by the wheelbarrow d = 5.0 m ( let it is moved along right direction)…

Q: A crane lifts a 650 kg beam vertically upward 10.1 m and then swings it westward 18 m. How much work…

A: Here the workdone is only in upward direction. No workdone in horizontal direction.

Q: 1. A 150 kg crate is being pushed horizontally 12.8 m across a rough floor without accel- erating.…

A: m=150 kg s=12.8 m μk=0.42 g=9.8 m/s here, m is the mass of the crate s is the distance it is pushed…

Q: An 160 N crate slides with constant speed a distance of 5.0 m downward along a rough slope that…

A:

Q: Calculate the power output needed for a 952-kg car to climb a 2.00° slope at a constant 33 m/s while…

A:

Q: The 2018 Pyeongchang gold medalist winner in a large hill ski jumping discipline, Kamil Stoch,…

A: Applying conservation of energy to calculate the final speed of the man…

Q: A3kg crate is placed at the bottom of an inclined frictionless plane making an angle 30° above the…

A: Work done  W = force × displacement