48. A 60 N wooden box is place on a wooden board. A force of 15 N is necessary to keep the box moving at a constant velocity. What is the coefficient of friction between the surfaces in contact? a. 0.25 b. 0.35 c. 3.0 d. 3.7

Q: 1)A person jumps from a wall and lands stiff-legged. Which statement best explains why the person is…

A: (1) The expression for Newton's 2nd law is given as, F=ma Since the mass of the person remains…

Q: 3. A large sport utility vehicle has a mass of 1850 kg and is traveling at ino little over 30 MPH).…

A: Given : Mass of SUV, m = 1850 kg Speed of SUV, u = 15 m/s For asphalt  The coefficient of kinetic…

Q: 2. A skier whose mass is 75 kg starts from rest down a 10 slope on jet-powered skis. The slope has a…

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Q: Q27. How much force is required to change the velocity of a body of mass 1 kg moving from 20 m/s to…

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Q: 1. A light string that passes over a frictionless pulley connects two objects with masses m¡=11.0 kg…

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Q: How much force must be applied in order for a 1200 kg car to maintain a velocity of 4 m/s in a…

A:

Q: 2. A 2.75-kg cat moves in a straight line (the x- axis). The figure shows a graph of the x- v̟ (m/s)…

A: Mass, m = 2.75 kg  The slope of velocity time graph represents acceleration.

Q: A fisherman in a boat is using a “10-lb test” fishing line.This means that the line can exert a…

A: Given, A fisherman in a boat is using a “10-lb test” fishing line. The line can exert a force of 45…

Q: Christmas light hangs on a series of strings as shown in the figure below. The tension on string ?,…

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Q: 3. A car of mass 875 kg is traveling 30.0 m/s when the driver applies the brakes, which lock the…

A:

Q: 1. a) A boat moves through the water with two forces acting on it. One is a 2000N forward push by…

A: a) Given quantities: mass of the boat (m) = 1000 kg  Forward force on the boat (F) = 2000 N…

Q: In a competition, a small robot accelerates forward at 0.25 m/s? as it pushes a wood a = 0.25 m/s?…

A: Given data: Acceleration (a) = 0.25 m/s2 Mass (m) = 1.6 kg Friction force (f) = 3.7 N Required: Net…

Q: 42.0 kg mass is moving with velocity +68.0 m/s when it experiences an acceleration of -7.00 m/s².…

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Q: 1(a). While passing a slower car on a busy highway, you accelerate your 1500 kg car from 17.0 m/s to…

A: Given  u = 17 m/s V = 90 km/h = 25 m/s. m = 1500 kg t = 15s a = dV/dt. F = ma

Q: 7. A shipping crate that weighs 300 N is initially stationary on a loading dock. A forklift arrives…

A: Given, Weigh of shipping cart Wsc = 300 N Upward force on lift F = 520 N

Q: 1. A massless rope that run over a frictionless pulley as shown in the figure. If M₁ = 4.5 Kg and M₂…

A: in this question  we use simple free body diagram equation and then equation of motion.

Q: A boat moves through the water with two forces acting on it. One is a 2 000-N forward push by the…

A: a) The acceleration of 1000kg boat will be, The net force on the boat will be,

Q: What is the weight of a 400-kg grizzly bear on Earth?   A. 4 N   B. 392 N   C. 3920 N    D. 39 N

A: Option C is the right answer  W =3920 N

Q: A 100 kg go-kart travels at a velocity 2 m/s and then quickly stops in 8 seconds to avoid an…

A: Here, a=∆v∆t=0m/s-2m/s8s=-0.25m/s2

Q: A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its…

A: a) We know ,    V=u+atgiven , V= 90km/h              = 90x1033600            = 25m/su=0t=10…

Q: A Christmas light hangs on a series of strings as shown in the figure below. The tension on string…

A: tension on string=0.48 N three angles=42°, 30° & 25°

Q: 1. a) A speed boat moves through the water with two forces acting on it. One is a 2200N forward push…

A: Given: The force that is applied by the water on the propeller = 2200 N The force due to water…

Q: a) You are standing in a Golden Arrows bus. Why do you seem to move forward if the bus then suddenly…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: An astronaut’s pack weighs 17.5 N when she is on the earth but only 3.24 N when she is at the…

A: (a) The expression for weight on Earth is, W=mg Thus, the mass can be found as, m=Wg   =17.5 N9.8…

Q: 7. Review. Three forces acting on an object are given by F, V (-2.00î + 2.00ĵ) N, and F, =(5.00î –…

A:

Q: 6. A 60 kg astronaut, floating freely in space, pushes forward with a force of 30 N on a freely…

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Q: 1. A massless rope that run over a frictionless pulley as shown in the figure. If M₁ = 3 Kg and M₂ =…

A: The question has 5 sub-parts. As per the Bartleby policy, we will answer the first 3 sub-parts.…

Q: 8. A certain speed boat weighs 4,900 N. It can accelerate from 0 to 20 m/s in 5 seconds. (a) What is…

A: Given  The weight of the boat is W = 4900 N. The initial velocity is u = 0. The final velocity is v…

Q: 5) A painter of mass M = 75.0 kg stands on a platform of mass m = 15.0 kg. He pulls on a rope that…

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Q: A net force of 3,000.0 N accelerates a car from rest to 37.4 km/h in 5.00 s. (a) What is the mass of…

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Q: 1. Consider a plane of mass 50,000 kg in takeoff when the thrust for each of its four engines is…

A: 1. Fbd of rocket  Let a be the acceleration of rocket Let Fe be the force due to to engine Let Fa…

Q: 25.0kg box is being pushed by a man horizontally. If the man applies a force of 200.0 N to keep the…

A: Given  Mass of box, M = 25.0 kg  Force, F = 200.0 N  Moving at constant velocity

Q: 2 SA bullet with a mass of 0.3 kg is thrown upwards in the vertical direction with an initial…

A:

Q: 2. A person of mass 60 kg is able to exert a constant 1200 N of force downward when executing a jump…

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Q: 2. How much force would a car's tires need to provide to accelerate an 1800 kg car at a rate of 4.0…

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Q: A boat moves through the water with two forces acting on it. One is a 1,800-N forward push by the…

A:

Q: A boat moves through the water with two forces acting on it. One is a 1700 N forward push by the…

A:

Q: 2. A 15 kg box sits atop a 25 kg box inside an elevator. If the elevator was accelerating downwards…

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Q: A boat moves through the water with two forces acting on it.One is a 2.00 x 103-N forward push by…

A: Given:Mass of the boat = 1000 kgForward push on the boat by the water = 2000 NResistive force on the…

Q: 1.A crate with a mass of 15 kg is being dragged across the ground at a constant velocity of 2.0 m/s…

A: *As per guidelines, only one question in case of multiple questions must be solve* Given  Mass of…

Q: A 1.3 kg box of frozen chocolate chip waffles is pulled across a table by a rope at t1 = 0s. The…

A: Given data: Mass of the box of frozen chocolate chip waffles is, m= 1.3 kg The rope is at an angle…

Q: A 1,200 kg car accelerates from 5.0 m/s to 27 m/s in 10 seconds. What is its acceleration?   What…

A: From Equation v=u+at 27=5+a(10)a =2.2 m/s2

Q: 4) A 200g object falls under gravity from rest through a medium which exerts a frictional drag force…

A: Acceleration = net force / mass  = mg - drag force / mass = mg - 2v2/m  = g - 2v2/m Using equation…

Q: A 2.0 kg ball tied to a string fixed to the ceiling is pulled to one side by a force F. Just before…

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Q: A box of mass 10 kg is pulled by a force of 50 N. The frictional force between the box and the…

A: Force F= 50 N Friction force f= 20N Mass m= 10 kg Intial velocity u= 4m/s