A piano tuner uses a tuner to create a tone of 5.00 x 10² Hz. When a key on the piano is struck he hears 5 beats per second. What is a possible frequency of vibration for the piano string?

2500 hz

1300 hz

605 hz

495 hz

A young man named Peter buys a sports car that can accelerate at the rate of 4.90 m/s2. He decides to test the car by racing with another speedster, John. Both start from rest, but experienced John leaves the starting line 1.00 s before Peter.

How to describe the motion of an object that has an acceleration of 0 m/s

What do the metric prefixes milli-, centi-, micro-, kilo-, and mega - mean?

What did the ancient Greeks determine that was the first step in understanding distances in the universe? - the distance from Athens to Rome - the diameter of the moon - Earth's circumference - the distance to the sun

In a series circuit, electrons only flow along one path. Given this information, which of the following is an advantage of series circuits? A. Less resistance is produced as more devices are added to the circuit. B.

A small rock remains at rest in outer space while an astronaut pushes horizontally on it with a force of 20 N. Which of the following must be true? A. There is another horizontal force acting on the rock. B.

If an igneous rock has very large crystals of minerals that you can see when looking at it, which type of igneous rock is it

You have a 60-foot roll of fencing and a large field. You want to make two paddocks by continuing the fencing down the middle of a rectangular enclosure. What are the dimensions of the largest such enclosure you can make?

Crystallization is a separation technique used to produce rock candy from a sugar solution. true or false

A car traveling in a straight line has a velocity of 3.79 m/s at some instant. After 5.4 s, its velocity is 11.9 m/s. What is its average acceleration in this time interval? Answer in units of m/s 2