block of mass 10 Kg accelerates from rest to a velocity of 20 m/s in 5s under the influence of an external force. What is the work done by the external force? a) 2000 J b) -2000 J c) 20000 J d) -20000 J
Q: force of 40 N acts on body of mass 5 Kg which is initially at rest. What is the amount of work done…
A: Given: force = 40 N mass = 5 Kg u = 0 m/s t = 10 seconds
Q: In the figure shown, if the mass (m=9 Kg) is moving with constant speed and traveled a distance d=10…
A: The mass m=9kg The distance d=10m F=27N
Q: Suppose you lift a 20 kg box by a height of 1.0 m. a) How much work do you do in lifting the box?…
A: We know that work done is given by W=FDCOS θ a)W=mgh=20×9.8×1=196J
Q: In the figure, a 20-kg box is on a rough horizontal surface. A constant external force F = 50 N is…
A: Given data: Mass (m) = 20 kg Constant external Force (F) = 50 N Distance (s) = 3.00 m Initial…
Q: 7. A block of mass, m 4kg is pu %3D frictionless, horizontal table by a cons 20N directed at an…
A: Given: Given that,Mass of the block m=4 kg, distance d=5 m, Force F=20 N directed at an angle θ=30°…
Q: A 1.5 kg hockey puck initially moving at 4.9 m/s slides 12 m along the ice before coming to rest.…
A:
Q: How much work was done on him by gravity?
A:
Q: A man pushes a block of mass M along a frictionles ramp at constant speed to a heighth as shown in…
A:
Q: body of mass 2 Kg, initially at rest, moves under the influence of an external force of magnitude 4…
A: Given: mass = 2 kg F = 4 N t = 10 seconds
Q: A box m=73 kg is being pulled by a constant force F=187 newtons at an angle of 29 degrees. The…
A: Given data The mass of the box is m = 73 kg The magnitude of the constant force is F = 187 N The…
Q: A box m = 64 kg is being pulled by a constant force F = 143 N at an angle of θ = 43 degrees. The…
A: The mass of the box is m = 64 kg. The force acting on the box is F = 143 N. The value of the angle…
Q: You are using a rope to lift a 14.5 kgkg crate of fruit. Initially you are lifting the crate at…
A: given:- mass of crate of fruit = 14.5 kg Initial velocity of crate (u) = 0.500 m/s Tension…
Q: a) If the driver suddenly applies the brakes and brings the car to a stop in 3.0 s, what is the work…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: (a) A 75.0 kg man pushes on a 5.0 x 105 ton wall for 250 s but it does not move. How much work does…
A: (a) F=Forces=Displacement of wall=0 Work done is given by W=Fs=F×0=0 The work that the man does on…
Q: George has a body mass of 'm' kg runs up a slope inclined at an angle . When he reaches a vertical…
A:
Q: 1. a) Calculate the work done when a truck pulls on a load at a 35° angle with a force of 4000 N and…
A:
Q: A 75-kg man is carrying a 50-kg crate as he ascends to the sixth floor of a building through an…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: A 2.00-kg (20.0-N) stone is dropped from a height of 5.0 m, and strikes the ground with a velocity…
A: Given data: Mass (m) = 2.00 kg Weight (mg) = 20.0 N Height (h) = 5.0 m Initial velocity (v0) = 0 m/s…
Q: A 5.0 kg crate is pushed with 50 N of force for 10 s. If the coefficient of static friction between…
A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…
Q: A Net Force Fnet=(x-3x2)i + (2y2-y3)j acts on a 3.5 kg particle. a) Calculate the net work done on…
A:
Q: Starting from rest, a box of mass m (24 kg) moves to the right 18.0 m when pulled by a tension force…
A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…
Q: 4kg eagle picks up a 75g snake and raises it 2.5 m from the ground to a branch. What is the work…
A: Given: mass of eagle = 4kg mass of snake = 75g altitude = 2.5 m
Q: A box m = 89 kg is being pulled by a constant force F = 124 N at an angle of θ = 38 degrees. The…
A: Given: The mass of the box is 89 kg. The initial speed of the box is 0 m/s. The applied force is 124…
Q: A 3 kg block is pushed 3 m up a 30° incline by a 50 N force aligned parallel to the ramp. The…
A:
Q: body of mass 40 Kg covers a distance of 50 m in 5s starting from rest under the influence of a…
A: Given: mass of body = 40 Kg distance =50 m time = 5s starting from rest under the influence of a…
Q: person pushes a box up an incline with constant force, and after calculating how much work they did…
A: Given work done by the person is greater than the work done by gravity. When we move a body on an…
Q: A 5 kg ball is shot straight up with an initial speed of 20 m/s . When the ball reaches height 10 m,…
A:
Q: A constant force of 40N in the positive x direction acts on a 4.0-kg object as it moves from the…
A:
Q: A force F = (2i – 7j + 3k) N acts on an object as it undergoes a displacement Ar = (14j + 5k) m.…
A: Work done by system.
Q: 7. A body of mass 40 Kg covers a distance of 50 m in 5s starting from rest under the influence of a…
A: Given data, Mass of the body m = 40 kg Distance s= 50 m Time t = 5 sec Starting from rest u = 0 m/s…
Q: A force F = x + 1 N acts on a particle in x direction. What is the work done from x = 2m to 5 m? a)…
A: Given: A force F = x + 1 N acts on a particle in x direction. x = 2m to 5 m
Q: Calculate the work done by gravity on a 5kg box being lifted 0.85 m from the surface. Determine the…
A:
Q: A light source of wavelength, λ, illuminates a metal and ejects photoelectrons with a maximum…
A:
Q: A 5.0-kg object is pulled along a horizontal surface at a constant speed by a 15-N force acting 20°…
A:
Q: A force F = (5i – 3j +2k) N moves a particle from r1 = (2i + 7j + 4k) m to r2 = (5i + 2j + 8k) m.…
A: Given: A force F = (5i – 3j +2k) N moves a particle from r1 = (2i + 7j + 4k) m to r2 = (5i + 2j +…
Q: Find the work done in joules by gravity as an object of the mass m=9 kg is raised up at constant…
A: Given data: The mass of the object, m=9 kg. The initial height of the object, h1=26 m. The final…
Q: 39. A 4.0-kg block is lowered down a 37° incline a distance of 5.0 m from point A to point B. A…
A:
Q: A horizontal force of 200 N is applied to a 55-kg cart across a 10-m level surface. If the cart…
A:
Q: Find the work done in joules by gravity as an object of the mass m=9 kg is raised up at constant…
A:
block of mass 10 Kg accelerates from rest to a velocity of 20 m/s in 5s under the influence of an external force. What is the work done by the external force?
a) 2000 J
b) -2000 J
c) 20000 J
d) -20000 J
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
