Questions from College Physics

Q: A parallel plate capacitor has a charge of 5.5 ×

A parallel plate capacitor has a charge of 5.5 × 10−7 C on one plate and −5.5 × 10−7 C on the other. The distance between the plates is increased by 50% while the charge on each plate stays the same....

Q: A sewing machine needle moves with a rapid vibratory motion, rather

A sewing machine needle moves with a rapid vibratory motion, rather like SHM, as it sews a seam. Suppose the needle moves 8.4 mm from its highest to its lowest position and it makes 24 stitches in 9.0...

Q: The seat on a carnival ride is fixed on the end of

The seat on a carnival ride is fixed on the end of an 8.0 m long beam, pivoted at the other end. If the beam sweeps through an angle of 120°, what is the distance through which the rider moves?

Q: You have a simple pendulum and a mass-spring system in

You have a simple pendulum and a mass-spring system in which the mass oscillates vertically. They both oscillate with the same period T. You take them both to the surface of the Moon, where the gravit...

Q: If an object is acted on by a single constant force,

If an object is acted on by a single constant force, is it possible for the object to remain at rest? Is it possible for the object to move with constant velocity? Is it possible for the object’s spee...

Q: 31 to 33. Each row of the table describes an object

31 to 33. Each row of the table describes an object moving along the x-axis. Based on the information given in two of the columns, choose the correct entry for the other columns. The question number i...

Q: If an object is acted on by two constant forces is it

If an object is acted on by two constant forces is it possible for the object to move at constant velocity? If so, what must be true about the two forces? Give an example.

Q: What tool enabled scientists to create hundreds of different hadrons in the

What tool enabled scientists to create hundreds of different hadrons in the latter half of the twentieth century?

Q: The mass of 1 mol of 13C (carbon-13)

The mass of 1 mol of 13C (carbon-13) is 13.003 g. (a) What is the mass in u of one 13C atom? (b) What is the mass in kilograms of one 13C atom?

Q: Tell whether each of the following objects has a constant velocity and

Tell whether each of the following objects has a constant velocity and explain your reasoning. (a) A car driving around a curve at constant speed on a flat road. (b) A car driving straight up a 6° i...