A 426.7 Hz tuning fork is resonating in a closed tube on a warm day when the speed of sound is 346 m/s.

What is the length of the closed tube?

The 6.50-cm-long second hand on a watch rotates smoothly. What is its angular velocity? What is the speed of the tip of the hand?

If a person walks 3 blocks East, turns and walks 5 blocks north. The person then turns and walks 3 blocks west and then 5 blocks south. What is the total distance the person travels?

How will heat flow between objects? A: from the warmer object to the colder object B: back and forth between objects of equal temperature C: from the colder object to the warmer object D: Bfrom the bottom object to the object on top

The equation for distance is d, t How far does a car go in 10 seconds at a speed of 44 m/s?

A block with an initial kinetic energy of 4.0 J comes to rest after sliding 1.0 m. How far would the block slide if it had 8.0 J of initial kinetic energy?

how long will it take an airplane yo go 800 miles if its traveling at an average speed of 650 miles per hour

A 1.200 kg car travels at 20 m/s. What is its momentum? P=mv A) 24000 kg m/s B) 14000 kg m/s C) 8000 kg m/s D) 1220 kg m/s

What is the best description of the constructive interference of light A. Two waves have a displacement in opposite directions B. Two waves have the same direction of displacement. C. A mechanical wave meets an electromagnetic wave. D.

What is the mass of a 2.00 cm cubed block of iron? The density of iron is 7.87 g/cm cubed

Emotional abuse is less harmful than physical abuse. a. True b. False