Two tuning forks, 254 Hz. and 260 Hz., are struck simultaneously. How many beats will be heard?

8

4

6

As the distance between two masses increases, the gravitational force of attraction between them A. decreases B. increases C. remains the same

An airplane travels 622.4 km from Kansas City to St. Louis. The flight takes 4.7 hours. Calculate the Velocity of the plane

Does our atmosphere get bigger?

According to the tide table below what time of day will the highest tide occur?

Now imagine a person dragging a 50 kg box along the ground with a rope, as in the drawing below. The person exerts 50 N of force while moving the box 201 10 s. Suppose also that friction is acting with 30 N of force between the box and the ground

A moving object can be in equilibrium. Explain.

If gravity puts a force of 3N an object, how much force would it put on an second object that was twice as heavy

Where did the asteroids in the asteroid belt come from?

Your university radio stawon has a 5.0-kw radio transmixer that broadcasts uniformly in all direcwons; listeners within 15 km have reliable recepwon. you want to increase the power to double that range. what should be the new power?

A projectile is thrown upward so that its distance above the ground after t seconds is h (t) equals negative 16 t squared plus 704 t. a) Find the maximum height the object reaches. b) Find the time it takes the object to reach the ground.