You have a small tank of water. Suppose you make waves in the tank, and measure their speed in different depths of water. Which is the independent variable, and which is the dependent variable?

An unknown object is placed on a balance, which then reads 6.118 g. its volume is measured to be 3.04 cm3. find the density of this object by dividing mass by volume.

Which body did the National Park Service Organic Act establish? A. The food and drug administration B. The environmental protection agency C. The National Park service D. The United States department of agriculture

2) A particle of mass 19 g moves in a circle of radius 0.44 m. The kinetic energy of the particle is 3.7 J. What is the magnitude of the net force on the particle?

An empty parallel plate capacitor is connected between the terminals of a 10.1-V battery and charges up. The capacitor is then disconnected from the battery, and the spacing between the capacitor plates is doubled.

A cello string 0.75 m long has a 220 hz fundamental frequency. find the wave speed along the vibrating string. answer in units of m/s.

A car moving at a steady 10 m/s on a level highway encounters a bump that has a circular cross-section with a radius of 30 m. The car maintains its speed over the bump. What is the normal force exerted by the seat of the car on a 60.

Determine the magnitude of the force p required to hold the 180-kg crate in equilibrium.

Match the following: 12) Site where resistance to blood flow is greatest. 13) Site where blood pressure is lowest. 14) Site where exchanges of food and gases are made. 15) Site where the blood pressure is greatest.

How many trees were sold in all during 1999 and 2000?

a cannon sits on a stationary railroad flatcar with a total mass of 1000 kg. when a 10 kg cannonball is fired to the left at a speed of 50 m/s, what is the speed of the flatcar