A skateboarder enters a loop the loop with a radius of 3 meters. His velocity is 17m/s. What is his speed at 3 o'clock, 6 o'clock and 9 o' clock? Friction is negligible.

Q: A 258-gram ball is thrown at a speed of 44.1 m/s from the top of a 41-m high cliff. Determine the…

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Q: A car with its parking brake on starts sliding down an extremely slippery icy h=9 m high embankment…

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Q: A 73.0-kg skier starts from rest from the top of a 49-m high slope. What is the speed of the skier…

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Q: A skier starts at the top of a 26.6-meter hill. Assuming there is no friction and no air resistance,…

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Q: In the figure, a 4.2 kg block slides along a track from one level to a higher level after passing…

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Q: A mass of 3.00 kg is initially at rest upon a frictionless incline with a 30.8 degree angle of…

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Q: An object is thrown with an initial speed of 15 m/s at an angle of 35.0 degrees above the horizontal…

A: Given: The intial speed of the object is 15 m/s. The angle of the projection is 15o. The height of…

Q: An elevator weighs 3600 N and must be lifted at a constant speed a vertical distance of 2.5 m in…

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Q: A 274-gram ball is thrown at a speed of 39.4 m/s from the top of a 42.6-m high cliff. Determine the…

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Q: 71.0-kg skier starts from rest from the top of a 55-m high slope.  What is the speed of the skier on…

A: Given: The mass of the skier is 71 kg. The height of the skier is 55 m. The initial speed of the…

Q: A 3.0-hp motor pulls a mini elevator up at constant speed. The elevator has a mass of 12.0 kg and…

A: Given, P = 3 hp m = 12 kg t = 7 s We know, Power = Work done/time = Force x Velocity and h = ut +…

Q: A 59 kg skier pushes off the top of a frictionless hill with an intial speed of 3.6 m/s How fast…

A: Solution:   As per the given data,   Mass(m)=59 kg Initial speed(u)=3.6 m/s height(h)=8 m

Q: A 36.3-kg child starting from rest slides down a water slide with a vertical height of 12.0 m.…

A: Given data: Mass of the child (m) =36.3 kg Vertical height (h) = 12 m Need to determine the Childs's…

Q: A block of mass 2 kg begins with velocity 2.1 m/s at the top of a curved track at a height h= 8.5 m…

A: The block with mass m is placed at a height (h). By the conservation of energy, the total mechanical…

Q: 23 kg child descends a 4.5 m high frictionless slide. What speed will the child reach the ground at…

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Q: A package with a mass of 40.0 kg slides down a smooth ramp with negligible friction. The package…

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Q: A sled starts up a 2727 degree incline with a speed of 3.13.1 m/s. The coefficient of kinetic…

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Q: skier is initially moving at 13.7 m/s on level ground as they approach a hill that is angled upward…

A: Initial velocity (u) = 13.7 msAngle of incline of hill (θ) = 15.8oLet the mass of skier = m Distance…

Q: A 230-gram ball is thrown at a speed of 40.7 m/s from the top of a 45.1-m high cliff. Determine the…

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Q: A two-man bobsled has a mass of 390 kg. Starting from rest, the two racers push the sled for the…

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Q: A 5,0 kg block starts sliding from rest, at a height of 1,0 m on a slope of 15º, without friction.…

A: 1) Mass of block: m = 5 kg 2) Initial velocity of block is zero at height: h = 1 m 3) Inclination of…

Q: A ski jumper starts from rest 48.5 m above the ground on a frictionless track and fies off the track…

A: Ski jumper starts from 48.5m above the ground on a frictionless track from rest  At a height of 13m…

Q: A 250g PASCar drags a sliding tray of 50g on the track. The kinetic friction coefficient between the…

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Q: In the figure, a 3.7 kg block slides along a track from one level to a higher level after passing…

A: Given:  Mass of block, m=3.7 Kg initial speed, v0=5.8 m/s height difference, h=0.96 m coefficient of…

Q: = A small block slides without friction up and over the icy hill shown in the figure below. The…

A: Given, The distance of the landing point from the cliff,d=10.68 m The height of cliff, h=3.86 m The…

Q: A cyclist coasts up a 12.1° slope, traveling 16.0 m along the road to the top of the hill. If the…

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Q: A parachutist glides to the ground at a rate of 18 feet per second. Complete the work to find this…

A: Given∗The rate  of  parachutist  is v=18 ft/sec   Unit conversion is the method   by which unit of…

Q: A kid on a bike goes from the bottom to the top of a 25 m hill. What minimum speed would the kid…

A: h=25 m.

Q: A child slides down a slide with a 23.43° incline, and at the bottom her speed is precisely half…

A: Given: Angle of inclination:  Final velocity is half of velocity of frictionless slide.

Q: What is its maximum height if there were no air resistance?

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Q: A 2-kg object is released from restat the top of a frictionless incline of an angle 29.7 degree.…

A: (given) Mass of an object = 2 kg                          θ=29.7° Length of the base of the incline…

Q: A 34.6 kg child starting from rest slides down a water slide with a vertical height of 21.1 m.…

A: Mass of child, m=34.6 kg Vertical height, H=21.1 m Initial at rest, u=0 m/sLet bottom of slide is…

Q: A parachutist with mass of 65kg is free-falling under gravity. When he opens up his chute he…

A: The parachutist is initially free-falling under gravity, when their chute isn't opened. As soon as…

Q: A box slides from rest down a frictionless ramp inclined at 31.0° with respect to the horizontal and…

A: Given: Inclination angle is θ=31° Initially object is at rest on the top of ramp and then it slides…

Q: The figure below shows a motorcycle leaving the end of a ramp with a speed of 36.9 m/s and following…

A: Given: Speed of motorcycle leaving at the end of ramp: vi=36.9 [m/s] Speed of motorcycle at the top…

Q: To enter the main pool at an amusement part, a swimmer uses a water slide which has a vertical…

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Q: A 53.0-kg skier starts from rest from the top of a 65-m high slope.  What is the speed of the skier…

A: In the given question We have to determine the speed of the skier on reaching the bottom.

Q: A certain box has a mass of 42.7kg. You exert a constant upward force of 650N on the box to lift is…

A: Force is defined as product of mass and acceleration F=ma Given : mass of box is 42.7 kg Upward…

Q: The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 6.3…

A: We will use conservation of energy in this problem,

Q: 33.6-kg child starting from rest slides down a water slide with a vertical height of 14.0 m.…

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Q: How fast will the wagon accelerate

A: Here we use Newtonian equation of motion.

Q: 40 kg skier starts from rest at a height of H = 19 m above the end of the ski-jump ramp. As the…

A: Given :  m = 40 kg              h = 19 m              θ = 270  m → the mass of skier  h  → height…

Q: A 59 kg skier starts from rest at height H = 20 m above the end of a ski-jump ramp (see the figure).…

A: To solve the question, we have to find the speed of the jumper at the end of the ramp, and then…

Q: A 70 ?? skier starts to slide from ? = 25 ? above the jumping ramp as shown in the figure and jumps…

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Q: A 297-gram ball is thrown at a speed of 43.9 m/s from the top of a 41.1-m high cliff. Determine the…

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Q: A sled and rider with a combined weight of 48 kg are at rest on the top of a hill 12m high. Assuming…

A: Given: height of the hill, h = 12 m  mass of combined sled and rider, m = 48 kg

Q: You ski straight down a 40.6 degree slope, starting from rest and traveling a distance of 11.3m…

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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.