Mass on a Spring: A 0.50-kg box is attached to an ideal spring of force constant (spring constant) 20 N/m on a horizontal, frictionless floor. The box oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position.(a) What is the amplitude of vibration?(b) At what distance from the equilibrium position are the kinetic energy and the potential energy the same?
What will be an ideal response?
(a) 0.24 m (b) 0.17 m
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An object attached to a spring is pulled across a horizontal frictionless surface. If the force constant (spring constant) of the spring is 45 N/m and the spring is stretched by 0.88 m when the object is accelerating at
what is the mass of the object? A) 28 kg B) 24 kg C) 31 kg D) 36 kg
A 2.00 kg mass is moving in a circular path with a radius of 5.00 cm. The mass starts from rest and with constant angular acceleration, obtains an angular velocity of 6.00 rad/sec in 3.00 sec. The mass then comes to a stop with constant deceleration in 4.00 sec. The centripetal component of acceleration of the mass at 2.00 sec is
A. 1.220 
B. 0.980
C. 0.806
D. 0.656
E. 0.520
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Indicate whether the statement is true or false