A 30 kg child slides down a slide with h = 4.0 m and arrives at the ground with a speed of 6.0 m/s.  The slide forms the arc of a circle with a radius of 21 m with the ground tangent to the bottom of the slide.  Determine the average friction force acting on the child.

Q: A 1,959-kg car starts from rest at the top of a driveway 7.26 m long that is sloped at an angle of…

A: Given data: The mass, m=1959 kg The distance is d = 7.26 m The angle is θ=21° The force is F=2338 N…

Q: A frictionless block of mass 0.5 kg slides down a ramp of height 0.2 m and onto a horizontal…

A: The vertical component of the net force acting on the block. given, mass(m)= 0.5 kg height(h)= 0.2 m

Q: Starting from rest, a 31.4 kg child rides a 8.75 kg sled down a frictionless ski slope. At the…

A: At the top of the hill the speed is zero. At, the bottom of the hill, the speed is 6 m/s.   The…

Q: A 35.0-kg child swings in a swing supported by two chains, each 3.06 m long. The tension in each…

A: Given,  Mass of child = 35 Length of chains = 3.6 m Tension = 434 N (a) child's speed at lowest…

Q: A 43.0-kg child swings in a swing supported by two chains, each 2.96 m long. The tension in each…

A: a) The radial force Fc is, Fc=mv2r The tension in the chain is T is,…

Q: An object with mass m = 34 kg is pushed with 452 N of force to be moved across a distance of 4.6 m…

A: Given data: The mass is m=34 kg The applied force is F=452 N The displacement is s=4.6 m The…

Q: An adventurous archeologist (m = 84.5 kg) tries to cross a river by swinging from a vine. The vine…

A: Given data: Mass (m) = 84.5 kgThe length of the Vine (L)= 10 mThe speed at the bottom swing (V) =…

Q: A mass on the end of a string of length L is in clockwise uniform circular motion in the horizontal…

A: Given:Mass = mLength of string = LTangential velocity = v

Q: A box is launched up a rough incline with an initial velocity, vo = 6.7 m/s, as in the figure below.…

A:

Q: What is the direction of the net force, expressed as an angle in degrees measured clockwise relative…

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Q: car is driven at constant speed over a circular hill and then into a circular valley with the same…

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Q: An applied force of 43.9 N directed at an angle of -18.5 degrees with respect to the +x direction…

A:

Q: A 29-N block slides down a 23 degrees inclined plane with an initial velocity of 2.6 m/s. Determine…

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Q: It is well known that runners run more slowly around a curved track than a straight one. One…

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Q: A movie stunt performer is filming a scene where he swings across a river on a vine. The safety crew…

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Q: Brake or turn? The figure depicts an overhead view of a car's path as the car travels toward a wall.…

A:

Q: A child slides down a snow‑covered slope on a sled. At the top of the slope, her mother gives her a…

A:

Q: A block of mass m is released from rest at a height R above a horizontal surface. The acceleration…

A: Given: mass of the block = m            the radius of the hoop = R            the initial height of…

Q: A man pushes a m = 3.20 kg block a distance d = 7.40 m along the floor by a constant force of…

A: As per guidelines, the first question is answered. For the remaining questions to be answered, post…

Q: A mass m is suspended from a massless spring of natural length 90 cm with the spring constant k = 10…

A: Given: The spring constant is 10 N/m. The natural length of the spring is 90 cm. The extension in…

Q: A 3.00-kg block is placed at the top of a track consisting of two frictionless quarter circles of…

A:

Q: A frictionless plane is 10.0 m long and inclined at 32.0°. A sled starts at the bottom with an…

A: Length of the plane, Inclination of the plane, Initial speed of the sled at the bottom,

Q: Starting from rest, a 28.4 kg child rides a 9.75 kg sled down a frictionless ski slope. At the…

A:

Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0.The…

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Q: A boy shoves his stuffed toy zebra down a frictionless chute. It starts at a height of 1.49 m above…

A: Given quantities: initial speed of the toy (u) = 1.87 m/s height from which toy starts its motion…

Q: An applied force of 42.3 N directed at an angle of -17.7 degrees with respect to the +x direction…

A: Given: The force applied F = 42.3 N. The inclination of the incline θ = -17.7o. The mass of the…

Q: A curve of radius 110 m is banked at an angle of 12.2°. At what speed can it be negotiated under icy…

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Q: A hockey puck with mass 0.166 kg is pushed across the ice with a constant force of 0.89 N. The…

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Q: a student is skateboarding down a ramp that is 5.82 m long and inclined at 24.1% with respect to the…

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Q: A car is driving along a circular track with diameter d = 0.59km at a constant speed of v = 21.2…

A: Dimatere of circular track is Speed of vehicle is Note:Gravitational acceleration is Find:The…

Q: A heavy ball with a weight of 150 N (m = 15.3 kg) is hung from the ceiling of a lecture hall on a…

A: The objective of this question is to find the tension in the rope when the pendulum is at its lowest…

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.