Question 4 (4.1)A ball is launched at an angle of 30o above the horizontal with an initial velocity of 8m/s. At what time is its vertical velocity 0ms? (4.2) The angular velocity of a body moving with a constant speed v in a circle of radius r is given by

Q: A point at R=0,2 m from the axis of rotation makes for 1 min 300 rev/min. Determine the centripetal…

A: Answer:-  Given  Radius (R) = 0.2 m Angular speed ( w) = 300 rev/ min. The angular speed (w) to…

Q: An automobile slows down as it rounds a sharp horizontal turn, going from 13.0 m/s to 19.0 m/s in…

A:

Q: An athlete whirls whirls a 3.7 kg shot put in a horizontal circle with a radius of 0.90m.  The…

A: Given data: Mass of the shotput m=3.7 kg Radius r=0.90m Period of rotation t = 0.30s

Q: Wonderwoman’s lasso of truth is whirled in a horizontal circle. If the period of one revolution is…

A:

Q: 6. [#364a] Ball on a string (part 1) Here, I am swinging a ball around in a horizontal circle with a…

A: Only acceleration due to gravity is acting upon the ball in the vertical direction. Hence:- av=…

Q: centripetal acceleration of 4.55 m/s ^ 2 Determine the speed of the car in meters per second .

A: Relation between centripetal acceleration, speed and Radius is given as: ac=v2R where ac is the…

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: flywheel has a diameter of 50 cm. What is the speed of a point on the edge of the flywheel if it…

A: Given data: Diameter of flywheel is, d=50 cm=0.5 m. Magnitude of centripetal acceleration is, ac=15…

Q: a 2000 kg car rounds a flat curve of radius=60m at a velocity of 9m/s a. what centripetal force…

A: Mass of car = 2000 kg  Radius of curve = 60 m  Velocity = 9 m/s

Q: rock is tied to a 2 m long string and spun in a horizontal circle. The rock has  an acceleration of…

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Q: For an object spinning around a central point, what will happen if its distance from the center is…

A: The given problem is based on rotational motion.

Q: The athlete shown in the given Figure rotates a 1.9-kg discus along a circular path of radius 1.1 m.…

A: Given: The mass of the ball is 1.9 kg.  The radius of the circular path is 1.1 m. The maximum radial…

Q: 2. Margielyn moves along a frictionless curved ski-jump ramp as shown in the figure below. Which of…

A: Radial acceleration is an acceleration which always acts towards the centre of curvature. Radial…

Q: A catapult is designed to throw a rock A when the arm of the catapult becomes vertical. Starting…

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Q: Pls help ASAP. Pls show all work and calculations.

A: a. Yes. If a person stands on the surface of the earth he feels the acceleration due to gravity at…

Q: A basketball player attempts a three-point shot 10.0 m from the basket as shown in the figure below.…

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Q: What is the centripetal acceleration of a 50 kg person sitting 3 meters away from the middle of a…

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Q: A car of mass 1,925 kg travels along a circular road of radius 90.0 m at 15.0 m/s. (a) Calculate the…

A: Given data: Mass (m) = 1925 kg Radius (r) = 90.0 m Speed (v) = 15.0 m/s Required: Centripetal…

Q: A car goes around a curve with a radius of 120 m. The car goes through an angle of 60 degrees at a…

A: (a) The distance covered by the car around a circle of radius r=120m, as it goes through an angle of…

Q: Question 6 A car is turning a curve of radius 24 m. The curve is unbanked (flat), meaning friction…

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Q: The athlete shown in Figure P4.25 rotates a 1.00-kg dis- cus along a circular path of radius 1.06 m.…

A: Given data: Mass of discus (m)=1 kg Radius of circular path (r)=1.06 m Maximum speed of the discus…

Q: A car travels clockwise at constant speed around a circular section of a horizontal road as shown in…

A: As the car travels at a constant speed, hence it has no tangential acceleration, but it does have…

Q: A basketball player attempts a three-point shot 10.0 m from the basket as shown in the figure below.…

A: (a) At the highest point, the velocity is zero and only force that acts on the basketball is the…

Q: Objects moving along a circular path have a centripetal accelerationprovided by a net force directed…

A: In each case think of possible force which acts towards centre.a) Planets are far apart from sun.…

Q: 1. As you increase the angle on a banked curve for a car moving in a horizontal circle:

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Q: A hunter uses a stone held by a strap (sling) as a weapon to capture prey that strays from him. The…

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Q: *12. D The earth rotates once per day about an axis passing through the north and south poles, an…

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Q: A car rounding a flat curve (Wha keeps the car from sliding off the Fc=

A: (5) Free body diagram for a car rounding a flat curve Fc=f (friction)

Q: In a DVD player, the centripetal acceleration is measured to be 200 m/s2, at a point that is 0.02 m…

A: Vghhgg

Q: A fairgrounds ride spins its occupants inside a flying-saucer-shaped container. If the horizontal…

A: Expression for centripetal acceleration -  ac=v2r .....(1) Expression for angular velocity -  v=ωr…

Q: E2. A car rounds a curve with a radius of 35 m at a speed of 20 m/s. What is the centripetal…

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Q: The same object above is now twirled in a vertical circle of radius 0.6 m If the speed of the object…

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Q: Fill in the blank. The tangential component of acceleration at a point p describes how quickly the…

A: In this question we have to fill in the blanks and give the correct answer. Please give positive…

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…

Q: An astronaut lost in space is far from any other mass (i.e., gravity is negligible). He swings a…

A:

Q: 1- A hawk flies in a horizontal arc of radius 12.0 m at constant speed 4.00 m/s. (a) Find its…

A: (a)   The centripetal acceleration of the hawk can be calculated as,

Q: a propeller blade that rotates at 2000 rev/min about a perpendicular axis at point B. Point A is at…

A: The angular velocity be defined as,

Q: A drag racer driving around a circular track has a centripetal acceleration of 5 m/s2 and a…

A: Given data The centripetal acceleration of the racer is given as ac = 5 m/s2  The tangential…

Q: 1. Which of the following exhibit parabolic motion? a. a flat rock skipping across the surface of a…

A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…

Q: A car turns a corner of radius 60 meters at a speed of 24 m/s. If it has a mass of 800 kg, what is…

A: Given: The radius of the turn is 60 meters. The speed of the car is 24 m/s. The mass of the car is…

Q: A 1 kg ball is tied to the end of a rope and spun around in a vertical circle. The ball is slowly…

A:

Q: In a playground ride kids ride in a horizontal 5m radius circle. max a=20m/s a. what is the period…

A: Solution:

Q: string but maintained the rate at which the ball rotated. Which of the following factors remained…

A: During a magic trick, a magician twirled a ball on a string horizontally at a constant rate. He then…

Q: 3. A point at R = 0,2 m from the axis of rotation makes for 1 min 300 rev/min. Determine the…

A: Given data: Location of a point is, R=0,2 m. Rotational speed is, N=300 rev/min=300 rpm.

Q: An ordinary workshop grindstone has a radius of 9.00 cm and rotates at 8000 rev/min. (a)Calculate…

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Q: . An athlete in a hammer throw competition swings the hammer with uniform circular motion clockwise…

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Q: Helicopter blades withstand tremendous stresses. In addition to supporting the weight of the…

A: Given data: The length of the helicopter blade is, L=4 m The frequency of the bled's rotation is, ω=…

Q: A motorcycle is traveling in the circle with a radius of 40 m it is accelerating at 10 m/s^2. What…

A: Given: radius of circle r = 40 m acceleration of motorcycle a = 10 m/s^2

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.