Questions from College Physics

Q: An object of mass 306 g is attached to the base of

An object of mass 306 g is attached to the base of a spring, with spring constant 25 N/m, that is hanging from the ceiling. A pen is attached to the back of the object, so that it can write on a paper...

Q: A uniform cylinder with a radius of 15 cm has been attached

A uniform cylinder with a radius of 15 cm has been attached to two cords and the cords are wound around it and hung from the ceiling. The cylinder is released from rest, and the cords unwind as the cy...

Q: The displacement of an object in SHM is given by y(

The displacement of an object in SHM is given by y(t) = (8.0 cm) sin [(1.57 rad/s)t]. What is the frequency of the oscillations?

Q: A shallow well usually has the pump at the top of the

A shallow well usually has the pump at the top of the well. (a) What is the deepest possible well for which a surface pump will work? [Hint: A pump maintains a pressure difference, keeping the outflo...

Q: (a) Sketch a graph of x(t) =

(a) Sketch a graph of x(t) = A sin ωt (the position of an object in SHM that is at the equilibrium point at t = 0). (b) By analyzing the slope of the graph of x(t), sketch a graph of vx(t). (c) Use...

Q: In 1899, Charles M. “Mile a Minute” Murphy

In 1899, Charles M. “Mile a Minute” Murphy set a record for speed on a bicycle by pedaling for a mile at an average of 62.3 mi/h (27.8 m/s) on a track of planks set over railroad ties in the draft of...

Q: Find the rotational inertia of the system of point particles shown in

Find the rotational inertia of the system of point particles shown in the figure assuming the system rotates about the (a) x-axis, (b) y-axis, c) z-axis. The z-axis is perpendicular to the xy-plane an...

Q: A gull is flying horizontally 8.00 m above the ground

A gull is flying horizontally 8.00 m above the ground at 6.00 m/s. The bird is carrying a clam in its beak and plans to crack the clamshell by dropping it on some rocks below. Ignoring air resistance,...

Q: A stone of weight W has specific gravity 2.50.

A stone of weight W has specific gravity 2.50. (a) When the stone is suspended from a scale and submerged in water, what is the scale reading in terms of its weight in air? (b) What is the scale rea...

Q: An object is attached to an ideal spring of spring constant 2

An object is attached to an ideal spring of spring constant 2.5 N/m. The spring is initially in its relaxed position. The object is then released and oscillates about its equilibrium position. The mot...