A particle moves in a circular path of radius r with speed v. It then increases its speed to 2v while traveling along the same circular path. The centripetal acceleration of the particle has changed by what factor?​ a)0.25 b) 0.5 c) 2 d)4 e) impossible to determine

Q: The passengers feel:

A: Given, velocity of car(v) = 20 m/s            radius (R)            = 100m

Q: A particle revolves in a horizontal circle of radius 1.99 m. At a particular instant, its…

A: Write the expression for the centripetal acceleration. Here, v represents the speed, a represents…

Q: In a hypothetical universe, the magnitude of acceleration of an object subject to the gravitational…

A:

Q: A ball rolls with a speed of 2.4m/s across a level table that is 1.5m above the floor. Upon reaching…

A: The initial velocity of the ball along the vertical direction is zero since the ball is rolling on a…

Q: A child plays on a merry-go-round. She covers a distance of 3.0 × 103 m in a circle of radius 20 m.…

A: Given Radius of circle R=20m Then circumference C=2πR C=2×π×20 C=125.663 m Child cover the total…

Q: The “Screaming Swing” is a carnival ride that is -not surprisingly- a giant swing. It’s actually two…

A: Given Data: The speed is v=30 m/s The diameter is d= 50 m The radius of the circular motion of…

Q: e of the earth would the acceleration of gravity be approximately 7m/s² consider the mass of the…

A: Given:-  The acceleration of gravity is approximate 7m/s² mass of the earth 5.96×10²⁴kg.  the radius…

Q: Two identical planets orbit a star. One is four times as far from the star as the other. The more…

A:

Q: A car is moving at a constant speed of 16 kilometers per hour (km/hr) while traveling in a circle.…

A:

Q: A cyclist completes half round of a circle track of radius 420 meters in 3 minutes. Its velocity…

A: Given:- The radius of the circular path r = 420 m  The time to travel a half-round of the circle is…

Q: The radius of the earth's very nearly circular orbit around the sun is 1.50 × 1011 m. Find the…

A: It is clearly shown that the unit conversion for time period (T) from days to seconds.T=365 days=365…

Q: The Gravitational force exerted by the sun on the earth holds the earth in an orbit around the sun.…

A:

Q: As the Earth travels around the Sun the Moon is traveling around the Earth. Find the minimum speed…

A:

Q: A horse races once a round a circular track in a time of 118 s, with a speed of 17 m/s. What is the…

A:

Q: An object moving in uniform motion has a centripetal acceleration of 12m/s2. If the radius of the…

A: It is given that,

Q: A toy car moves round a circular track of radius 3.5 m. The car makes one revolution in 10s. what is…

A: Solution: Given that Radius r =3.5 m time of one revoltuin t =10 s

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

A:

Q: A particle moves in a circular path of radius r with speed v. It then increases its speed to 2v…

A: When a particle moves with the speed of ‘v’ in a circular path of radius ‘r’, the centripetal…

Q: The gravitational force exerted by the Sun on the Earth holds the Earth in an orbit around the Sun.…

A: According to Newton’s Second Law, a force is required to produce this acceleration. In the case of…

Q: A bucket of water is rotated in a vertical circular orbit with a radius of 1 m. What should be the…

A: The minimum force will be when Tension in the string attached to bucket will be, T = 0. Radius, r =…

Q: A wheel of diameter of 68.0 cm slows down uniformly from 8.40m/s to rest over a distance of 115m.…

A:

Q: For an object travelling with “uniform circular motion,” its acceleration is a. zero because the…

A: For an object travelling with uniform circular motion its acceleration is directed towards the…

Q: At the equator, the radius of the Earth is approximately 6370 km. A plane flies at a very low…

A: We have given, Radius of the Earth, R = 6370 km Velocity of a plane, v = 278 m/s Average…

Q: х (m) 100F 80 D B C 40 20 t (s) 60 10 20 30 40 50 A, 60

A: The graph of distance travelled with time is linear till t = 10 s. Therefore the equation of the…

Q: Earth orbits our Sun counter-clockwise at average speed 29 786 m/ . Moon orbits Earth ccw at average…

A: velocity of earth around sun = 29786 m/s (counter-clockwise) distance between earth and moon (d) =…

Q: A chunk of space rock is 256 times further from the Sun than the Earth. The velocity of the space…

A:

Q: Passengers in a whirly-go-round (a "puke your guts out" amusement ride) are subjected to…

A: acceleration (a) = 2.5 g = 2.5×9.8 ms2= 24.5 ms2Length of pole (d) = 3.5 m

Q: A toy racecar races along a circular race track that has a radius of 32 meters. The racecar starts…

A:

Q: A particle circulating an orbit with radius 0.7m with constant speed. If the particle takes 11s to…

A:

Q: 2. Comets travel around the Sun in highly eccentric elliptical orbits. If a comet has a speed V1 =…

A: A comet while going on elliptical orbit around the Sun has constant angular momentum due to no…

Q: Q 13/15 A particle moving in a circle of radius 25 cm at 2 revolutions per second. The acceleration…

A: Given: Radius r = 25 cm or 0.25 m Frequency f = 2 revolution per second. To determine: Acceleration…

Q: y= Vx As the particle passes through the point (25, 5), its x-coordinate increases at a rate of 3…

A: path of  the particle= y=x given: dxdt=3 cm/s

Q: 10 A B 9. F) 6. 8 10 12 14 16 18 20 22 24 26 Time (sSeconds) 4. 2. 4.

A:

Q: Consider a roller coaster loop. Are the roller coaster cars traveling through the loop in uniform…

A: Uniform circular motion is the motion of an object in a circle at a constant speed.

Q: A car is moving at a constant speed of 16 kilometers per hour (km/hr) while traveling in a circle.…

A:

Q: A planet has a radius of 4.00 x 10^6 m, and rotates so rapidly that an object on the equator feels…

A: Given  R=4.00 x 106  W = mg10

Q: An object is tied to a string of length 1.00 m and is rotated in clockwise direction in a vertical…

A: Please note that time to hit the ground can be calculated if we observe its vertical motion.…

Q: A particle moving in a horizontal cirele of radius 0.5 m hns a speed 12 m s-1. Theangular speed of…

A: The speed of rotational motion is expressed through angular speed. It is the rate of rotations or…

Q: A boy is standing inside a train moving with a constant velocity of magnitude 10 m/s. He throws a…

A: Given:) speed of train(vx)=10 m/s upward speed of ball(vy)=5 m/s to find:) radius of curvature of…

Q: cle traveling at 2 m / s in a circular path and 2 turns in all parts of the path, the radius of the…

A: Given values:- Velocity of bicycle,(v)=2 m/sec -----(1) Number of turns,(N)=2 turns ----(2) Let us…

Q: In the velocity selector shown in Figure , electrons with speed v = E/B follow a straight path.…

A: The speed of the electron in a straight path is calculated as, v=EB Here, B is the magnetic field…

Q: A particle travels in a circular orbit of radius r = 143.8 m. Its speed is changing at a rate of at…

A: Radius of circular orbit (R) = 143.8 m Tangential acceleration (at) = 16.1 ms2Speed at an instant…

Q: Which causes a greater effect to the magnitude of the velocity of an object in uniform circular…

A: The formula for the centripetal force is: Now from above,

Q: A satellite 300 miles above the city in a circular orbit about the Earth is directly over a…

A:

Q: 8.) The Martian moon Deimos has an almost perfectly circular orbit, completed once every 30.3 hours…

A: Therefore radius of its orbit is 23448.726 km

Q: An aircraft flies 3 hrs east then 2 hrs north at 300 knots at an altitude of 3 nmi, starting at 40°…

A: In this question we are given that an aircraft leaves Stillwater and flies 3 hrs east then 2 hrs…

Q: ypical running track is an oval with 74-mm-diameter half circles at each end. A runner going once…

A:

Q: A certain planet has a mass 2.9 times the mass of Earth and radius 1.2 times the radius of the…

A: We know  g=G*MR2 = 9.807 m/s2 M= mass of earth R= radius of the earth   Given m=2.9M r=1.2R

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.