# Question: An object moving at constant speed v around a circle

An object moving at constant speed v around a circle of radius r has an acceleration a directed toward the center of the circle. The SI unit of acceleration is m/s2.

(a) Use dimensional analysis to find a as a function of v and r.

(b) If the speed is increased 10.0%, by what percentage does the radial acceleration increase?

(a) Use dimensional analysis to find a as a function of v and r.

(b) If the speed is increased 10.0%, by what percentage does the radial acceleration increase?

**View Solution:**## Answer to relevant Questions

The speed of ocean waves depends on their wavelength λ (measured in meters) and the gravitational field strength g (measured in m/s2) in this way: v = Klpgq where K is a dimensionless constant. Find the values of the ...Kepler's law of planetary motion says that the square of the period of a planet (T2) is proportional to the cube of the distance of the planet from the Sun (r3). Mars is about twice as far from the Sun as Venus. How does the ...The Space Shuttle astronauts use a massing chair to measure their mass. The chair is attached to a spring and is free to oscillate back and forth. The frequency of the oscillation is measured and that is used to calculate ...What is the relationship between average velocity and instantaneous velocity? An object can have different instantaneous velocities at different times. Can the same object have different average velocities? Explain. A motor scooter travels east at a speed of 12 m/s. The driver then reverses direction and heads west at 15 m/s. What is the change in velocity of the scooter? Give magnitude and direction.Post your question