A mass is suspended vertically from a spring so it is at rest at the equilibrium

Question

1. 
   A mass is suspended vertically from a spring so it is at rest at the equilibrium position. The mass is pulled straight down to an extension x and released so that it oscillates about the equilibrium position. The acceleration of the mass is zero when the mass is
   at its maximum upward travel at the equilibrium point at its maximum lower travel
   
   
   A small 52 g water strider is bobbing up and down on a lake at a frequency of 3.0 Hz. What is the value of the water spring constant? 3.0 N/m 18 N/m 25 N/m 9.0 N/m
   
   
   A 0.2 kg mass oscillates on a spring with a stiffness constant k= 7.88 N/m. The position of the mass is given by x= (0. 8) cos (6.28t) where x is measured in meters and t in seconds. What is the maximum velocity of the mass? 3.0 m/s 5.0m/s 2.3 m/s 7.85 m/s
   
   A simple pendulum does 4 complete oscillations in 10s. What is the length L of the pendulum? 1.6 m 4.0 m 0.5 m 5.3m
   
   If a particle undergoes SHM with amplitude 3.0 cm, what is the total distance it travels in one period?
   8.0 cm 1.5 cm 6.0 cm 12.0 cm
   
   
   
   
   
   

A mass is suspended vertically from a spring so it is at rest at the equilibrium position. The mass is pulled straight down to an extension x and released so that it oscillates about the equilibrium position. The acceleration of the mass is zero when the mass is
at its maximum upward travel at the equilibrium point at its maximum lower travel


A small 52 g water strider is bobbing up and down on a lake at a frequency of 3.0 Hz. What is the value of the water spring constant? 3.0 N/m 18 N/m 25 N/m 9.0 N/m


A 0.2 kg mass oscillates on a spring with a stiffness constant k= 7.88 N/m. The position of the mass is given by x= (0. 8) cos (6.28t) where x is measured in meters and t in seconds. What is the maximum velocity of the mass? 3.0 m/s 5.0m/s 2.3 m/s 7.85 m/s

A simple pendulum does 4 complete oscillations in 10s. What is the length L of the pendulum? 1.6 m 4.0 m 0.5 m 5.3m

If a particle undergoes SHM with amplitude 3.0 cm, what is the total distance it travels in one period?
8.0 cm 1.5 cm 6.0 cm 12.0 cm





A mass is suspended vertically from a spring so it is at rest at the equilibrium position. The mass is pulled straight down to an extension x and released so that it oscillates about the equilibrium position. The acceleration of the mass is zero when the mass is
at its maximum upward travel at the equilibrium point at its maximum lower travel


A small 52 g water strider is bobbing up and down on a lake at a frequency of 3.0 Hz. What is the value of the water spring constant? 3.0 N/m 18 N/m 25 N/m 9.0 N/m


A 0.2 kg mass oscillates on a spring with a stiffness constant k= 7.88 N/m. The position of the mass is given by x= (0. 8) cos (6.28t) where x is measured in meters and t in seconds. What is the maximum velocity of the mass? 3.0 m/s 5.0m/s 2.3 m/s 7.85 m/s

A simple pendulum does 4 complete oscillations in 10s. What is the length L of the pendulum? 1.6 m 4.0 m 0.5 m 5.3m

If a particle undergoes SHM with amplitude 3.0 cm, what is the total distance it travels in one period?
8.0 cm 1.5 cm 6.0 cm 12.0 cm

Explanation / Answer

1) at the equilibrium point

2) T=2pi*sqrt(m/k)

==> k=18.45 N/m

option B

3)

V max= 0.8*6.28=5 m/s

option B

4)

T=2.5=2*pi*sqrt(L/g)

==> L= 1.55 m

option A

5) 12 cm

option D

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