Physics Physics Practice Problems Solutions Library

Circular Motion Solutions Library

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25 solutions

Circular Motion

Q. A car is traveling around a horizontal circular track with radius r = 250 m at a constant speed v = 25 m/s as shown. The angle θA = 35° above the x...

Solved • Feb 26, 2021

Circular Motion

Q. A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a radius of 0.14 m.(a) Through what distance doe...

Solved • Feb 9, 2021

Circular Motion

Q. An object traveling at speed 2V in a circle of radius R has an acceleration a. If both speed and radius are doubled, the new acceleration will be?M...

Solved • Feb 8, 2021

Circular Motion

Q. A cyclist competes in a one-lap race around a flat, circular course of radius 140m. Starting from rest and speeding up at a constant rate throughou...

Solved • Dec 4, 2020

Circular Motion

Q. An object starts from rest at point F and speeds up continuously as it moves around an oval.a. Choose a point about 1/8th of the way around the ova...

Solved • Nov 3, 2020

Circular Motion

Q. The planetary model of the atom pictures electrons orbiting the atomic nucleus much as planets orbit the Sun. In this model you can view hydrogen, ...

Solved • Jul 20, 2020

Circular Motion

Q. True or False: A particle traveling around a circle at constant speed will experience an acceleration.

Solved • Jul 15, 2020

Circular Motion

Q. Suppose a piece of dust rests on a CD. The variables to use for the problem are as follows: f = 420 rpm r = 4.1cm t = 2.8min a) If the spin rate of...

Solved • May 19, 2020

Circular Motion

Q. A ball is launched up a semicircular chute in such a way that at the top of the chute, just before it goes into free-fall, the ball has a centripet...

Solved • May 11, 2020

Circular Motion

Q. A car drives over the top of a hill that has a radius of 50 m. What maximum speed can the car have without flying off the road at the top of the hill?

Solved • May 7, 2020

Circular Motion

Q. Figure 1 shows four rotating wheels. For each, determine the signs (+ or -)of ω and α.

Solved • May 6, 2020

Circular Motion

Q. If an object travels at a constant speed in a circular path, the acceleration of the object is:1- larger in magnitude the smaller the radius of the...

Solved • May 5, 2020

Circular Motion

Q. Which is true for a car moving around a circular track with constant speed? (Check all that apply)1. It has zero acceleration2. it has an accelerat...

Solved • May 5, 2020

Circular Motion

Q. Adjusting the test-mass riser along the platform changes the radius of the circular path. True or false?

Solved • Apr 27, 2020

Circular Motion

Q. The Nardo ring is a circular test track for cars. It has a circumference of 12.5km. Cars travel around the track at a constant speed of 100km/h. A ...

Solved • Apr 24, 2020

Circular Motion

Q. An object is in a uniform circular motion. Which of the following statements must be true?A) The net force acting on the object is zero.B) The velo...

Solved • Apr 6, 2017

Circular Motion

Q. It is common to see birds of prey rising upward on thermals. The path they take may be spiral-like. You can model the spiral motion as uniform circ...

Solved • Jan 19, 2017

Circular Motion

Q. You are taking a turn at 30.0 m/s on a ramp of radius 25.0 m. What is your acceleration? A) 20.8 m/s2 B) 0.833 m/s2 C) 1.20 m/s2 D) 36.0 m/s2

Solved • Jan 18, 2017

Circular Motion

Q. If the acceleration of an object is always directed perpendicular to its velocity,A) the object is slowing down.B) the object is speeding up.C) thi...

Solved • Jan 18, 2017

Circular Motion

Q. Shown here are the velocity and acceleration vectors for an object in several different types of motion. In which case is the object's velocity cha...

Solved • Jan 18, 2017

Circular Motion

Q. An object is moving with a constant speed of 11 m/s and an acceleration of 2.6 m/s2. Which statement is true?A) Impossible. With acceleration, the ...

Solved • Jan 16, 2017

Circular Motion

Q. An object is moving with a constant speed of 18 m/s and an acceleration of 4.7 m/s2. Which statement is true? A) This could be a leaf falling from...

Solved • Jan 13, 2017

Circular Motion

Q. You spin in a circle with a ball attached to the end of a 1 m string. If the maximum centripetal acceleration the string can withstand is 15 m/s2, ...

Solved • Jan 6, 2017

Circular Motion

Q. In a game of tetherball, the ball is hit such that it spins around the pole at 500 rpm, spinning with a 0.5 m orbit. What is the centripetal accele...

Solved • Jan 5, 2017

Circular Motion

Q. A jogger is running around a circular track. If the jogger is averaging a mile every 10 minutes, and a single lap of the track is a quarter mile, w...

Solved • Jan 5, 2017