What is the frequency of a wave if 3 crests pass in 6 seconds?

a. 0.5 hz

b. 2 hz

c. 9 hz

d. 18 hz

in a game of hockey the hockey puck took 0.8 seconds to travel 89 feet to the goal line. determine the average speed of the puck per second

Two rods are both precisely 10.000 cm long. Rod "A" is made of aluminum, while Rod "B" is made of steel. The linear expansion coefficient "alpha" is twice as large for aluminum (24 x 10^-6 K^-1) than for steel (12 x 10^-6 K^-1).

Four standing wave segments, or loops, are observed on a string fixed at both ends as it vibrates at a frequency of 240 Hz. What is the fundamental frequency of the string?

These three members of the Nile gas family have one property in common because they are gases at room temperature. That is they

1a) An object is thrown up with a velocity of 18m/s from a height of 520m. What's the object's position after 3s?

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.