Cellular telephone use

A - Radio Waves

B - Very high frequency waves

C - very low frequency waves

D - microwaves

Which is the fastest way to send information using sound waves, light waves or water waves

To practice Problem-Solving Strategy 11.1 for conservation of momentum problems. An 80-kg quarterback jumps straight up in the air right before throwing a 0.43-kg football horizontally at 15 m/s.

Which statement best compares the momentum of a 5-kilogram fish swimming at a speed of 10 meters/second and a 2-kilogram fish swimming at a speed of 10 meter/second?

As you get closer toward the sun, what happens to the period of rotations of gas giants? a) stays the same b) increases c) decreased

What occurs in a chemical reaction? A. Reactants are formed without chemical bonds being broken B. Reactants are formed from products by the breaking and forming of bonds C. Products are formed without chemical bonds being broken D.

A 20 kg mass with an initial velocity of 10 m/s slides to a stop in 2 meters. What is the net work down on the mass? a.) 250 J b.) 500 J c.) 120 J d.) 20 J e.) None of the above

When traveling in a car and turning it the right which way does your body go and why

A sample of helium gas has a volume of 900. milliliters and a pressure of 2.50 atm at 298 K. What is the new pressure when the temperature is changed to 336 K and the volume is decreased to 450. milliliters?

Which type of sensor uses a burn-off circuit

Jack drops a tennis ball from the top of a skyscraper allowing it to fall freely. Neglecting air resistance, what is the velocity of the tennis ball at the end of 5 seconds? A.) 9.81m/s^2 B.) 49.0m/s^2 C.) 29.4m/s^2 D.) 88.7m/s^2