Questions from College Physics

Q: Calculate the rotational inertia for each of the three arrangements.

Calculate the rotational inertia for each of the three arrangements.

Q: A beach ball is thrown straight up in the air. The

A beach ball is thrown straight up in the air. The graph shows its vertical velocity component as a function of time. The dashed line is tangent to the curve at the point where vy = 0. (a) What shape...

Q: An auditorium has organ pipes at the front and at the rear

An auditorium has organ pipes at the front and at the rear of the hall. Two identical pipes, one at the front and one at the back, have fundamental frequencies of 264.0 Hz at 20.0°C. During a performa...

Q: A section of pipe with an internal diameter of 10.0

A section of pipe with an internal diameter of 10.0 cm tapers to an inner diameter of 6.00 cm as it rises through a height of 1.70 m at an angle of 60.0° with respect to the horizontal. The pipe carri...

Q: A bridal party is at a rehearsal dinner. The best man

A bridal party is at a rehearsal dinner. The best man challenges the bridegroom to pick up an olive using only a brandy snifter. How does the groom accomplish this task?

Q: A musician plays a string on a guitar that has a fundamental

A musician plays a string on a guitar that has a fundamental frequency of 330.0 Hz. The string is 65.5 cm long and has a mass of 0.300 g. (a) At what speed do the waves travel on the string? (b) Wha...

Q: A block of aluminum that has dimensions 2.00 cm by

A block of aluminum that has dimensions 2.00 cm by 3.00 cm by 5.00 cm is suspended by a thread from a spring scale. (a) What is the scale reading in grams? (b) A beaker full of oil (density 850 kg/m...

Q: (a) If a freestyle swimmer travels 1.50 km

(a) If a freestyle swimmer travels 1.50 km in a time of 14 min 53 s, how fast is his average speed? (b) If the pool is rectangular and 50 m in length, how does the speed you found compare with his su...

Q: A cello string has a fundamental frequency of 65.40 Hz

A cello string has a fundamental frequency of 65.40 Hz. What beat frequency is heard when this cello string is bowed at the same time as a violin string with frequency of 196.0 Hz? [Hint: The beats oc...

Q: A 85.0 kg canoe made of thin aluminum has the

A 85.0 kg canoe made of thin aluminum has the shape of half of a hollowed-out log with a radius of 0.475 m and a length of 3.23 m. (a) When this is placed in the water, what percentage of the volume...