Questions from Modern Physics

Q: A wave pulse on a string has the dimensions shown in Fig

A wave pulse on a string has the dimensions shown in Fig. E15.30 at t = 0. The wave speed is 40 cm/s. (a) If point O is a fixed end, draw the total wave on the string at t = 15 ms, 20 ms, 25 ms, 30 m...

Q: On a frictionless, horizontal air track, a glider oscillates at

On a frictionless, horizontal air track, a glider oscillates at the end of an ideal spring of force constant 2.50 N/cm. The graph in Fig. E14.19 shows the acceleration of the glider as a function of t...

Q: If an object on a horizontal, frictionless surface is attached to

If an object on a horizontal, frictionless surface is attached to a spring, displaced, and then released, it will oscillate. If it is displaced 0.120 m from its equilibrium position and released with...

Q: A 0.500-kg mass on a spring has velocity

A 0.500-kg mass on a spring has velocity as a function of time given by /. What are (a) the period; (b) the amplitude; (c) the maximum acceleration of the mass; (d) the force constant of the spring?

Q: A 1.50-kg mass on a spring has displacement

A 1.50-kg mass on a spring has displacement as a function of time given by Find (a) the time for one complete vibration; (b) the force constant of the spring; (c) the maximum speed of the mass; (d)...

Q: In February 2004, scientists at Purdue University used a highly sensitive

In February 2004, scientists at Purdue University used a highly sensitive technique to measure the mass of a vaccinia virus (the kind used in smallpox vaccine). The procedure involved measuring the fr...

Q: A guitar string vibrates at a frequency of 440 Hz. A

A guitar string vibrates at a frequency of 440 Hz. A point at its center moves in SHM with an amplitude of 3.0 mm and a phase angle of zero. (a) Write an equation for the position of the center of the...

Q: For the oscillating object in Fig. E14.4, what

For the oscillating object in Fig. E14.4, what are (a) its maximum speed and (b) its maximum acceleration? Fig. E14.4:

Q: A small block is attached to an ideal spring and is moving

A small block is attached to an ideal spring and is moving in SHM on a horizontal frictionless surface. The amplitude of the motion is 0.165 m. The maximum speed of the block is 3.90 m/s. What is the...

Q: A small block is attached to an ideal spring and is moving

A small block is attached to an ideal spring and is moving in SHM on a horizontal, frictionless surface. The amplitude of the motion is 0.250 m and the period is 3.20 s. What are the speed and acceler...