Bran is pushing Amira in a sled. The combined mass of the sled and Amira is 40.0 kg. There is a coefficient of kinetic friction between the led and the snow of 0.205. Bran applies a 160 N pushing force at 30.0° below the horizontal. What is Amira's acceleration? (Give your answer in m/s2.)

Q: d A block of mass 3.25 kg slides down a ramp that is angled 0 = 35 degrees above the horizontal. The…

A: Given that: Mass of block, m=3.25 kgAngle of inclination, θ=35°Kinetic friction coefficient,…

Q: You create an elevator to get down a cliff.   Your and the bucket’s mass together is 80 kg (m2).…

A: The free-body diagram of the system is shown below. Here, T is the tension and a is the…

Q: A block of mass M is suspended at rest by two strings attached to walls, as shown in the figure. The…

A: We can solve the problem by considering the equilibrium condition as below.

Q: A single-celled animal called a paramecium propels itself quite rapidly through water using its…

A: Given: Drag coefficient b = 0.330 kg/mSpeed v = 0.000137 m/sNow, the drag force is fd = -bv2As it is…

Q: Two boxes, A and B, are connected by a lightweight cord and are resting on a smooth (frictionless)…

A:

Q: A crate (20 kg) is hung in an elevator by a cord rated to withstand a tension of 500 N. The elevator…

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Q: A student pushes a 10 kg box with a force of 30 N at an angle 45 degrees below the horizontal. The…

A:

Q: What is the diver's acceleration if the magnitude of the drag force is 1185 N? What is the divers…

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Q: Two blocks are connected via a massless frictionless pully system. The hanging block is 3 kg. The…

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Q: A boy has filled his toy box with all his favorite toys and it trying to drag it across the floor.…

A:

Q: The rolling resistance for steel on steel is quite low; the coefficient of rolling friction is…

A: Given: Coefficient of rolling friction = 0.002 Mass of the locomotive= 180,000 Kg Speed of the…

Q: A hockey puck slides with an initial speed of 56.7 m/s on a large frozen lake. The coefficient of…

A:

Q: A book with mass = 2.25 kg rests on the surface of a bar. The coefficient of static friction between…

A: Part(a)  :    a=g(μs​−μk​) Part(b) :    2.646 m/s⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠2 Explanation:

Q: Superman is applying a 17,000 N horizontal force to try and stop a speeding locomotive. This train…

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Q: A child with a mass of 23 kg is sliding at a constant velocity down a slide inclined at 50°. What is…

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Q: You bring a bathroom scale onto an elevator and press "up". Your mass is 65 kg. If the bathroom…

A: given actual mass of person(m)=65 kg Weight observed by bathroom scale(w)=750 N Mass of bag =0.1…

Q: A horizontal force of magnitude F = 47.6 N pushes on a block of mass m = 6.08 kg. The block is on a…

A:

Q: A car with a mass of 1500 kg is being towed by a rope held at a 20°angle. A friction force of 320 N…

A: Given : mass of car, m = 1500 kg  Frictional force, Ff = 320 N  Angle = 20° Initial speed, u = 0 m/s…

Q: The figure shows three blocks attached by cords that loop over frictionless pulleys. Block B lies on…

A: Here we have to use Newton's law.

Q: The vertical component of the acceleration of a sailplane is zero when the air pushes up against its…

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”