Which of the following instruments is used to measure air pressure? a. barometer b. anemometer c. hygrometer d. thermometer

If 2 objects have the same momentum which statement is true A. mass and velocity are the same for both B. they both have the same mass C. the product of mass x velocity is the same for both D. they both have the same velocity

A proton in a particle accelerator is traveling at a speed of 0.99c. (a) If you use the approximate nonrelativistic equation for the magnitude of momentum of the proton, what answer do you get?

If a person is in front of a smooth surface from which a sound is reflected, the person would hear a sound that a. seems to come from behind the surface. b. has a higher intensity than the sound produced by the source. c.

Let's say you are on the third story of an apartment building that has a swimming pool. For some insane reason you think it is a good idea to jump off your balcony into the swimming pool.

Materials that conduct heat and electricity well in the solid state result when

550 g of water at 105°C is poured into an 855 g aluminum container with an initial temperature of 11°C. The specific heat of aluminum is 900 J / (kg K).

what occurs when the soccer ball contacts the hands or arm of any player on the field except the goalkeeper?

Sand on a beach is covered by other layers of sand over time. The extra layers compress the first layer, packing it tighter and tighter. Over time, the bottom layers of sand have formed into sandstone, with colored bands showing the different layers.

How do i solve A sound wave has a frequency of 658 Hz in air and a wavelength of 0.46 m. What is the temperature of the air? Assume the velocity of sound at 0◦C is 331 m/s. Answer in units of ◦C

How has the space program affected Florida's culture