2. At a sharp horizontal circular turn a train slows down going from 90.0 km/h to 50.0 km/h in the 15.0 s it takes to round the bend. The radius of the curve is 150 m. Assume the train continues to slow down at the same rate. At the moment the train speed reaches 50.0 km/h calculate: (a) the magnitude and direction of the tangential acceleration. the radial acceleration (magnitude and direction). the magnitude and direction of the total acceleration.

Q: 32. Figure P4.32 represents the total acceleration of a particle mov- ing clockwise in a circle of…

A: Given : r = 2.50 m a = 15 m/s2 θ = 30°

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A: Given data;                      Initial velocity (v) = 183 mi/h                     Angle of…

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A: angular velocity = w = 25 rpm velocity = v = ?

Q: 4. Go Speedboat A negotiates a curve whose radius is 120 m. Speedboat B negotiates a curve whose…

A:

Q: A Motorcycle starts from rest at t=0s on a circular track of 400 m radius. The tangential component…

A:

Q: This figure (Ja| = 14.5 m/s?) represents the total acceleration of a particle moving clockwise in a…

A:

Q: Problem 2: A package is dropped from the plane which is flying with a constant horizontal velocity…

A:

Q: 3. In a Bangladesh-Australia cricket match, Sakib Al Hasan throws a ball towards the batsman. The…

A: Givenw=18 rev/s  (angular velocity)w=18*2π rad/sRadius of ball R=7.1 cmR=7.1*10-2m

Q: An ultracentrifuge accelerates from rest to 9.97 x 10° rpm in 1.99 min. What is its angular…

A:

Q: A 2.30 kg wooden block is tied to a rope and spun in a circular path of radius 1.14 m. The block…

A:

Q: In a vertical dive, a peregrine falcon can accelerate at 0.6 times the free-fall acceleration g…

A:

Q: Chino is cycling along a flat road with a speed of 15 m/s when he starts to SPEED UP just before…

A:

Q: 15. Which of the following statements is true about nonuniform circular motion? A. The tangential…

A:

Q: Olympic ice skaters are able to spin at about 2 rev/s. (a) What is their angular velocity in radians…

A: Given The number of revolution is N = 2 rev/s. The angular velocity is calculated as, ω=2πN…

Q: 2. An object is in motion along a circular path with radius equal to 1.5 meters and the angular…

A: magnitude of velocity v=ωR normal acceleration a=v2R=ω2R2R=ω2R

Q: A propeller blade at rest starts to rotate from t = 0 s to t = 5.0 s with a tangential acceleration…

A: Given: The tangential acceleration of the tip of the blade = 3.00 m/s2,           the tip of the…

Q: A particle moves in a circle of radius 1.50 m according to the relation q(t)=5t2 + 3t, where q is…

A:

Q: 45 тi/hr 1. The car is traveling at a speed of approaches point A. Beginning at A, the car as it…

A: 45 mi/hr =45×528060×60 ft/sec=66 ft/sec

Q: rotation, a hammer thrower maintains a constant acceleration of his hammer. From 28 m/s, the hammer…

A: We  know that the third equation of the angular motion is given as  ω2=ω02+2αθ where ω is the…

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A: Consider the radius of the horizontal circle to be r and centripetal acceleration to be ac­.

Q: #10. In uniform circular motion, how many of the following quantities are constant or equal to zero:…

A: The motion of an object in a circular path with a constant speed, this type of motion is called…

Q: A car travelling along a road is making a turn where the radius of curvature is r = 2t2 m where t is…

A:

Q: 3. In a Bangladesh-Australia cricket match, Sakib Al Hasan throws a ball towards the batsman. The…

A:

Q: A motorcycle, initially at rest, starts to move on a circular track with a 400-m radius. The…

A:

Q: A speed skater increases her speed form 10 m/s to 12.5 m/s over a period of 3 seconds while coming…

A: When an object is following non-uniform circular motion( speed is changing), its total acceleration…

Q: A jet fighter pilot flying at 300 m/s makes a turn with a radius of 1.5 km. Determine the radial…

A: speed = 300 m/s Radius = 1.5 km = 1500 m Radial acceleration = V2 / R  = (300)2 / 1500  = 90000/1500…

Q: Pc A B 44m The ball moves with its speed steadily rise over time, starting at 50 kph at A. During 13…

A: Radius of curvature, RC=velocity2component of acceleration perpendicular to velocity=v2ar

Q: *57. ssm Each of the space shuttle's main engines is fed liquid hydro- gen by a high-pressure pump.…

A:

Q: The tangential velocity changes in direction but not in magnitude.   In a circular path, radial…

A: In a circular path, radial acceleration is directed toward the center of the circle.   The…

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A:

Q: *62. GO A space laboratory is rotating to create artificial gravity, as the figure indicates. Its…

A:

Q: - The bee is travelling from point A to point B in a parabolic path shown in the figure. If its…

A: Acceleration is the rate of change of velocity with respect to time. a=dvdtv=∫adt

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A: The angular velocity be defined as,

Q: time of 5 rotations (16.5 s) Time of 1 rotation (3.3 s) Distance from shoulder to elbow (20.32cm)…

A:

Q: 2. A car has the maximum centripetal acceleration 10 m/s?, so the car can turn without skidding out…

A: Centripetal acceleration is the acceleration of a body traversing a circular path. The direction of…

Q: Starting from rest, the motorboat travels around the circular path, the radius of curvature is 25 m,…

A: according to guidelines, first three subparts will be answered here. Given that,radius of curvature,…

Q: 6. The aorta is a major artery, rising upward from the left ventricle of the heart and curving down…

A: Provided that the velocity of the blood flow, v is 0.32 m/s and the radius of the semi-circular arc,…

Q: #10. In uniform circular motion, how many of the following quantities are constant or equal to zero:…

A:

Q: 5. A tractor whose speed is increasing at a rate of 0.30 m/s² travels along a circular road of…

A: (a) Tangential acceleration is, at=dvdt=0.30 m/s2 (b) Centripetal acceleration is, ac=v2R=2 m/s224.0…

Q: (II) What is the magnitude of the acceleration of a speckof clay on the edge of a potter’s wheel…

A: Given, angular acceleration, α angular velocity, ω=45 revmin=45×2π60rads=4.71 rads the radius of the…

Q: 1) why tangential acceleration 1.2 m/s^2 ??? ( if given rate increasing a that means that is…

A: Tangential acceleration is rate of change of tangential speed. If speed is increasing at the rate of…

Q: Is it possible for an object moving around a circular path to have both centripetal and tangential…

A:

Q: Cross country runners must turn a corner around a tree obstacle, in the rain. a) The first runner…

A: A)Given : Radial acceleration = 10 rad/s2Radius of curve = 1.5 mac  =  v2r  ​ where, ac = radial…

Q: A race car starts from rest on a circular track of radius 400 m. Its speed increases at the constant…

A: Given data: The radius of the track is r=400 m. The tangential acceleration is aT=0.500 m/s2 The…

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.