A student applies a force of magnitude 75 N at an angle of 37o with the horizontal to push a 52-kg sled a distance of 4.0 m across a frictionless surface. Assuming the sled started from rest, find the final speed of the sled.

Q: 12.) A 2kg rock is moving at a speed of 6m/s. What is the magnitude of the force needed to stop the…

A: Given, A 2kg rock is moving at a speed of 6m/swe are asked to the magnitude of the force needed to…

Q: A 2.0-kg block initially at rest is pulled to the right along a horizontal, frictionless surface by…

A:

Q: 5. A 15 kg block starts from rest starts 4m away from the end of a spring affixed to a 30° incline.8…

A: We will use the conservation of energy formula,

Q: A 5.0-kg rock is dropped, initially at rest, from a 6.0- m-high second story window. What will be…

A: Given data: Mass (m) = 5.0 kg Initial velocity (v0) = 0 m/s Height (h) = 6.0 m Required: The kinetic…

Q: QUESTION 4 In Unit EM, you saw how contact push/pull interactions can be described using ideas about…

A: (A) This statement is consistent because:     As we know,                               F = ma…

Q: The 15 lb suitcase is released from rest at C. After it slides down the smooth ramp, it strikes the…

A: Given Mass of suitcase A mA               = 15 lb Mass of suitcase B mB               = 10 lb…

Q: 3. An 8 kg block initially at rest is pulled to the right for 3 m with a force of 12 N over a…

A: Given : Mass of a block (m) = 8 kg Displacement (d) = 3 m Force (F) = 12 N  Initial speed (vi) = 0…

Q: A 136 kg object experiences an 839newton force over distance of 4.9 m before being launched off a 10…

A: The objective of the question is to find the distance from the base of the cliff where the object…

Q: A mass moving at 1.70 m/s slides down a ramp angled at 30.00 to the  horizontal. After the mass has…

A:

Q: A 9.50 kg block is at rest on a horizontal floor, and then you pull it with a cord that exerts a…

A: GivenMass m = 9.50 kgInitial velocity u = 0 m/sForce applied F = 12.0 NAngle θ = 24.0o Coefficient…

Q: When jumping straight down you can be seriously injured if you land stiff legged. One way to avoid…

A: Consider v0 as the initial speed of the man which is given as 5 m/s. The man stops completely after…

Q: A 325-g model boat facing east floats on a pond. The wind in its sail provides a force of 1.25 N…

A: First find net force on boat

Q: 10. An olympic long jumper (86 kg) throws themselves at a 30* angle to the horizontal. Calculate the…

A: solution is give as

Q: A constant applied force Fp of 15.0 N pushes a box with a mass m = 8.00 kg a distance x = 15.0 m…

A: The final velocity of the box at 15m is 3.49m/sThe new applied force is 3.248NExplanation:Step…

Q: 1. A 100 kg box is shot up a 20", frictionless ramp at an initial speed of 9 m/s. A worker is…

A:

Q: of the following describe a nservative force? (There are t WO correct cholces, and poth must be…

A: Conseravtive force is one in which work done by force is independent of path taken.

Q: A 400 g particle moving along the x-axis experiences the force shown in (Figure 1). The particle's…

A:

Q: A force F = (2.5 + 8.4j + 6.4k) N acts on a 3.6kg object that moves in 2.3s from an initial position…

A:

Q: A particle of mass 6kg moves according to the equation x (t) =10t², where x is in meters and t is in…

A: Given: The mass of the particle is 6 kg. The equation of the position is xt=10t2.

Q: 2. When you weigh yourself on solid ground, your weight is 790 N. You stand on a bathroom scale in…

A:

Q: ntally. The bowstring exerts an average force

A:

Q: 1 An object of man 5kg is released from west 1000 m above the ground and allowed to foll unobr the…

A:

Q: A traveler pulls on a suitcase strap at an angle of 31.6 degrees above the horizontal. if 566 J of…

A:

Q: A 40.2 box initially at 4.19m/s on a rough surface is brought to rest by an 18.7N force due to…

A: Using Work-Energy theorem, W=∆KE-Ffrd=12mv2-u2d=mu2-v22Ffr

Q: A horizontal force of 1.5 N acts on a 0.2kg mass to accelerate it along a horizontal path. How fast…

A:

Q: 5. After given a push, a 1.0-kg box slides down a slope that is inclined by 30° relative to the…

A:

Q: A cat kicks a 0.43 kg chees block that was initially at rest. the net force is 20. What is the…

A: