The earth has a radius of 6380 km and turns around once on its axis in 24 h. (a) What is the radial acceleration of an object at the earth’s equator? Give your answer in and as a fraction of g. (b) If at the equator is greater than g, objects will fly off the earth’s surface and into space. What would the period of the earth’s rotation have to be for this to occur?

Q: This figure (lal = 16.5 m/s?) represents the total acceleration of a particle moving clockwise in a…

A: Given, Total acceleration 16.5 m/s2  and radius is 1.70 m

Q: In what way is an object moving in a circle always accelerating? O Its velocity in a straight line…

A: Given object is moving on a circular path we have to find due to which factor object always…

Q: A 2.40 kg granite stone is tied to a rope and spun in a circular path of radius 1.14 m. The stone…

A: Here, We have given, Mass of stone = m = 2.40 kg Radius of the circle, r =1.14 m   Maximum Speed =…

Q: Two particles, A and B, are in uniform circular motion about a common center. The acceleration of…

A:

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

A: The tangential acceleration is, The radial acceleration is,

Q: a particle is moving at constant speed in a circular orbit of radius of the object shown in the…

A: Given,The circular orbit of radius, R=0.5 mAngular velocity relative to point A, ω=0.4 rad/sRelation…

Q: A car with mass 500 Kg rotating with a constant circular speed in a track of 60 m radius. It…

A: Given, mass=m=500 kg radius of track=r=60m time=35 s Centripetal acceleration is given byv2r

Q: HCM-1 A 1.75 kg puck is moving in a circular path on a frictionless, flat surface. The puck is tied…

A: Given that            The mass of the pluck is (m) = 1.75Kg            The length of the string…

Q: An electric fan has blades of length 30cm as measured form the axis of rotation. If the fan is…

A: An electric fan, Length of tip from center, R = 0.30 m Rotation of fan = 1220 rpm Centripetal…

Q: An automobile with 0.310 m radius tires travels 95,000 km before wearing them out. How many…

A:

Q: An aircraft performs a maneuver called an "aileron roll." During this maneuver, the plane turns like…

A:

Q: A particle moves in a circular path of radius R =2 m. At some instant of time, its total…

A: Given:-     Radius R=2m     a→=20m/s2        θ=30°        at=tangetial acceleration…

Q: Two satellites are in circular orbits around a planet Part A that has radius 9.00 x 106 m. One…

A:

Q: The radius of the earth is R.  At what distance above the earth's surface, in terms of R ,  is the…

A: We know, g=GMEarthR2

Q: An automobile with 0.220 m radius tires travels 60,000 km before wearing them out . How many…

A: Radius (R) of tires = 0.22 m distance moved (d) = 60,000 km

Q: A planet orbits a star, in a year of length 3.48 x 10's, in a nearly circular orbit of radius 1.51 x…

A: Given data: Time period, T=3.48×107 s Radius of the orbit, R=1.51×1011 m

Q: .) An Astronaut is in free orbit around the earth while doing a spacewalk. Assuming that he is in a…

A:

Q: If the rotation of a planet of radius 4.42 x 10° m and free-fall acceleration .2 7.9 m/s increased…

A: Given : Radius (r) = 4.42 x 106 m Free-fall acceleration (a) = 7.9 m/s2

Q: An experimental jet rocket travels around Earth along its equator just above its surface. At what…

A: in this question we use centripetal acceleration equation.

Q: A rocket, launched from the Earth, shuts off its engines when its speed is 5.10 km/s. It reaches a…

A: Given value--- initial speed of rocket = 5.10 km/s. maximum height = 2600 km. mass of earth = 5.97…

Q: This figure (la| = 17.0 m/s2) represents the total acceleration of a particle moving clockwise in a…

A:

Q: A disk-shaped space station has been built by Professor Trout. It is in outer space at this moment.…

A:

Q: This figure (Ja| = 24.0 m/s2) represents the total acceleration of a particle moving clockwise in a…

A:

Q: A car at the Indianapolis 500 accelerates uniformly from the pit area, going from rest to a speed of…

A:

Q: In the problems that follow, point P moves with angular velocity v on a circle of radius r.In each…

A: ω=Angular velocity=15 rad/sr=Radius of circle=5 ftt=Time=0.5 min=0.5×60=30 s

Q: A propeller blade at rest starts to rotate from t = 0 s to t = 1.5 s with a tangential acceleration…

A: To determine,Total acceleration(a) of the tip of the blade.given,tangential acceleration of the tip…

Q: The displacement of a vehicle (in meters) is given in Cartesian co-ordinates by: d = -2.4tâ + 4.7tŷ…

A:

Q: A satellite rotates around the earth with uniform circular motion at a radius of 6400 km. and a…

A:

Q: The linear speed of an object swinging in a circular path of radius 2 m with a frequency of 5 rev/s…

A: Frequency = 5 rev/s. Angular frequency or angular speed = 2π(5) = 10π rad/s.  Radius = 2m

Q: For a satellite (mass 5,477 kg) to be in a circular orbit 932 km above the surface of the Earth,…

A:

Q: centripetal acceleration

A:

Q: An automobile with 0.320 m radius tires travels 95,000 km before wearing them out. How many…

A:

Q: The mean distance of an object A from the Sun is 19.6 x 10^9 km and the mean distance of object B…

A:

Q: It is estimated that the Sun is 2.7 x 10 m away from the centre of the Milky Way Galaxy If the…

A:

Q: A planet orbits a star, in a year of length 3.95 x 107 s, in a nearly circular orbit of radius 2.19…

A:

Q: In the problems that follow, point P moves with angular velocity v on a circle of radius r.In each…

A: Given:Angular Velocity,ω ω=3π2rad/secRadius,r=4 mt=30 sec.Find the distance s traveled by the point…

Q: An automobile with 0.230 m radius tires travels 65,000 km before wearing them out. How many…

A: We know,                 ∆θ=∆s∆r Where, ∆θ = Rotational angle ∆s = Distance covered ∆r = Radius…

Q: If the magnitude of the acceleration due to gravity on Earth's surface is 9.8 m/s2,  what is the…

A:

Q: The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to…

A: Introduction: Gravity is defined as the force of attraction exerted by the earth on the nearby…

Q: Planet X has a mass 5 times Earth's mass and a radius twice Earth's radius?  If the acceleration due…

A:

Q: How fast must a plane fly along the earth’s equator so that the sun stands still relative to the…

A: The speed of the plane along the earth’s equator is…

Q: Figure shows a conical pendulum, in which the bob moves in a horizontal circle at constant speed.…

A: given,

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.