2. a racecar travels at a constant speed of 33.0 m/s along a circular arc of radius 10.0 m. what is the centripetal acceleration?
109 m/s2
3.30 m/s
0.303 m/s2
3.03 m/s2

Which of the following are guidelines to follow for obtaining accurate observations

Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87