How do dolphins communicate with each other

How much force is needed to stop a 80 kg football player if he decelerates at 5m/s?

how many decimeters equal 1 milliliter

Which type of make sure looks like it is one substance A. A heterogeneous one B. A suspension C. A colloid D. A homogeneous one

The decibel scale is used to measure the perceived loudness of a sound. a. True b. False

A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one direction and the gun sliding on the ice in the other direction. The bullet's mass is 0.04 kg, and its speed is 285 m/s. If the gun's mass is 2.

How does the brightness of a bulb tell you about the energy of electrons passing through it?

Why do you think sound travels faster in steel than it does in wood? (Hint: Think about the densities of the two materials, and how the particles might be arranged.)

On which body would a 100kg man have the least gravitational potential energy when lifted to a height of 3 meters

Which of the following factors can negatively affect development? a. Political corruption and instability b. Lack of resources c. Lack of education d. All of the above

A golf ball is hit with an initial velocity of 155 ft/s at an angle of 23 degrees with the horizontal. After 1.4 seconds, how far has the golf ball traveled horizontally and vertically?. a. 199.7 feet horizontally and 75.2 feet vertically. b. 60.