4. A hydrogen atom in a water molecule oscillates 9,520,000 times in 0.200 s. What is the Period of its oscillation?

A spinning wheel rotates at 320 RPM (revolutions per minute). What is the period of the spinning wheel (time for one revolution)?A) 0.00313 s B) 0.186 s C) 5.2 × 10–5 s D) 5.33 s E) not enough information to know

34. To increase the period of a harmonic oscillator from 3 to 6 s, its original mass of 20 g should be changed to (a) 5g (b) 10 g (e) 40 g (d) 80 g.

1.A hoop is hung on a horizontal nail and undergoes small oscillations, once every 2 seconds. What is the radius of the hoop?

2. Describe a phenomenon that repeats indefinitely. What is its period?

A student holds one end of a rope and oscillates her hand up and down 15 times in 3 seconds. What is the period of oscillation? 5 s 3 s 0.2 s 45 s

5 kilogram object is suspended from a string. The string is 4 meters long. What is the period of the object ting as a pendulum? Express your answer a number of seconds, omitting the unit.

1. A simple pendulum oscillates with a frequency of 25 Hz. What is the period? 2. A simple pendulum oscillates with a period of 4s. What is the frequency?

9. A block with a mass of 10 kg connected to a spring oscillates back and forth with an amplitude of 2 m. What is the approximate period of the block if it has a speed of 4 m/s when it passes through its equilibrium point? (A) 1 s (B) 3 s (C) 6 s (D) 12 s

1.A watch haneing from a chain swings back and forth every seconds. What is the frequency of its oscillations? Calculate answer to one decimal 2.In an experiment performed in a space station, a force of 13 N causes an object to have an acceleration equal to 4, 4 m/s What is the object's mass? Calculate answer to one decimal. 3.A person stands on a scale inside an elevator at rest. The scale reads 787 N. what is the person's mass? Calculate answer to one decimal. (use g=9.8 m/s^ 2 ) 4.A person stands on a scale inside an elevator at rest. The scale reads 800 N. The efevator accelerates upward at the rate of 1.3 m/s ^ 2 . What does the scale read then? Calculate answer to one decimal. ( use g=9.8 m/s^ 2 ) 5.A race car rounds a curve at 55 m/s The radius of the curve 363 m and the car's mass is 1,293 kg. What is the centripetal force acting on the car? Calculate answer to one decimal 6.A9 kg mass hangs from a rope. A force is applied to the rope so that the mass is accelerated upward at…