An automobile with 0.260 m radius tires travels 80,000 km before wearing them out. How many revolutions do the tires make, neglecting any backing up and any change in radius due to wear?

Q: A rotating space station is said to create “artificial gravity”—a loosely-defined term used for an…

A: Artificial gravity is the creation of an inertial force to create the effects of gravitational force…

Q: Ms Q R Mp (b) How do the tangential speeds of planets B and C compare to that of Planet A? In a…

A: Given:  Three planet star systems:

Q: 4. The earth has a radius of 6380 km and turns around once on its axis in 24 h. (a) What is the…

A:

Q: A car initially traveling at 23.2 m/s undergoes a constant negative acceleration of magnitude 1.90…

A:

Q: Conical Pendulum 18.7 At what angle to the horizontal are the wings of the plane? Value Units An…

A: The objective of the question is to find the angle to the horizontal at which the wings of the plane…

Q: ottommost position of the track as shown. If the speed of the car at this position is 185 km/h and…

A:

Q: Review the definition of the radian. What is the angle 0 shown on the circle below? Give the an-…

A: The angle subtended at the center of the circle θ, is equal to the ratio of the length of the…

Q: An automobile with 0.260 m radius tires travels 80,000 km before wearing them out. How many…

A: Number of revolution=distance/2πR As distance covered in 1 revolution=2πR

Q: In the Olympic shotput event, an athlete throws the shot with an initial speed of 13.0 m/s at a…

A:

Q: On a mini golf course, a golf ball rolls horizontally at a speed of Vo into a loop (cut through…

A: (1)

Q: The planet Mars has a mass of 6.39x1023 kilograms (kg) and a radius of 3390 kilometers (km). A…

A:

Q: If the stopper moves in a horizontal circle, but the string is not perpendicular to the pipe, can…

A: Question (2): The Free body diagram of the system is given below: Here Tension Force is resolved…

Q: *13 An object is in circular motion. The radius of its motion is 2.0 m and its velocity is 20 m/s.…

A:

Q: An insect runs at a constant speed on a circular trajectory with radius b on a round table rotating…

A: How quickly the insect(relative to the table) can walk before sensing the slip, if he walks: (2)…

Q: 17. The surface of a solid ball is glued to one end of a rod and the rod is rotated about an axis…

A:

Q: Q20. A satellite orbits at a height of 800 km (8.00 x 105 m) above the earth's surface. The radius…

A:

Q: Conical Pendulum 18.7 At what angle to the horizontal are the wings of the plane? Value Units An…

A: The objective of this question is to find the angle to the horizontal at which the wings of the…

Q: In the Figure, the velocity of point A is 9 m/s to the right and its acceleration is 18 m/s² to the…

A: Velocity of a rigid body along its length always remains same.

Q: A self-propelled truck of total mass 25 tonnes and wheel diameter 750 mm runs on a track for which…

A: Given,   Mass,25 tonnes  Wheel diameter=750 mm  Resistance=180 N per  tonne    power=60 kw…

Q: A bicycle wheel 67.0 [cm] in diameter rotates about its central axis with a constant angular…

A:

Q: A box of mass m, =9.5 kg on a rough inclined plane of angle a = 42° is connected with a string of…

A: SOlution:Given that m1 = 9.5 kg m2 = 1.1 kg angle  =42 degree coefficinet of friction = 0.18…

Q: Problem 6: A merry-go-round is a playground ride that consists of a large disk mounted to that it…

A: Since the boy is halfway between the edge and the centre of the merry go round, we can consider the…

Q: What is the maximum speed with which a 1200-kg car can round a turn of radius 85.0 m on a flat road…

A: Mass of car, m=1200 kg Radius of turn, r=85 m Coefficient of friction, μ=0.75

Q: A golf club can roughly be modeled as a sphere attached to the end of a thin rod. The figure below…

A: Mass of rod = M Mass of sphere = M Radius of sphere = R Length of rod = L Moment of inertia of…

Q: The bar CD rotates with an angular velocity of 5 rad/sec and an angular acceleration of 3 rad/sec?,…

A: The angular velocity is defined as the change in the angular change in the position concerning the…

Q: 4. A bug is crawling very slowly along the second hand. (a) Where would the tangential speed of the…

A: 4) a) The tangential speed of the bug would be largest at the tip of the second hand. Because the…

Q: ANGULAR MOMENTUM (a) Consider the system consisting of the child and the disk, but not including the…

A:

Q: The three 160 g masses in (Figure 1) are connected by massless, rigid rods. What is the triangle's…

A:

Q: 14. Starting from an “idling" rate of 65.00 rpm, a single-engine airplane's propeller attains its…

A: i. Initial frequency,   f0=65rpmf0=6560rpsf0=1.08rps Initial angular velocity,…

Q: A potter's wheel moves uniformly from rest to an angular speed of 0.19 rev/s in 31.0 s. (a) Find its…

A:

Q: Find x and 0 for the right triangle shown below. Give the angle in both degrees and radians. 3 7

A: Given,

Q: 13) The rotating systems shown in the figure differ only in that the two identical movable masses…

A: Answer

Q: 24. A bucket of water is swung in a vertical circle at arm's length of 0.70 m. The minimum number of…

A:

Q: radius 1.5 m and at height 2.0 m above level ground. The string breaks, and the stone flies off…

A:

Q: This ferris wheel has an interesting design: there is a smaller inner ring (yellow chairs) and a…

A: In a uniform circular motion all points have the same angular velocity but different linear velocity…

Q: A fidget spinner starts spinning at 141 rad/s. It takes 107 s for it to come to a complete stop.…

A: Initial angular speed ωo = 141 rad/s Final angular speed ω = 0 rad/s (comes to stop) time taken t =…

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.