Hoover believed that the private sector would pull the United States out of the Depression. true false
Calculate the frequency of each wavelength of electromagnetic radiation:12.24 cm (wavelength of microwave oven)
Without the force of friction, people would not be able to walk. please select the best answer from the choices provided. t f
1. The equation 2NO2 <---> N2O4 shows a system. A) In chemical equilibrium B) In physical equilibrium C) That does not reach equilibrium D) That does not change 2. If an endothermic reaction is in equilibrium, what will happen when you increase the temperature? A) More reactants form B) More products form C) No change in the amounts of products or reactants occurs D) The system does not reach equilibrium again 3. Only way to determine the degree of saturation of a solid-liquid solution is to drop a crystal of the solute into the solution. If the crystal sits at the bottom of the container, the solution is? A) Saturated B) Unsaturated C) Supersaturated D) Concentrated Thank you in advance <3
To what is amplitude related? (1 pointthe amount of energy carried by the wave the maximum displacement from the rest position neither of the above both the first and the second choices above amplitude is related to both the amount of energy carried by the wave and the maximum displacement from the rest position . [ ] [ [ ] ]
Surface winds on Earth are primarily caused by differences in A) Air density due to unequal heating of Earth's surface. B) Distances from the Sun during the year. C) Rotational speeds of Earth's surface at various latitudes. D) Ocean wave heights during the tidal cycle. Explain pls
Communities of organisms coexist in organized, balanced _____? A-ranges B-territories C-ecosystems D-populations
The position of a 2.75×105n training helicopter under test is given by r⃗ =(0.020m/s3)t3i^+(2.2m/s)tj^−(0.060m/s2)t2k^. part a find the net force on the helicopter at t=5.0s.
An electron is located in an electric field of magnitude 600. newtons per coulomb. what is the magnitude of the electrostatic force acting on the electron?
Calculate the displacement of the volleyball in sample problem 2f when teh volleyballs final velocity is 1.1 m/s upward
Which is a challenge that is most likely unique to urban areas? a. power outages b. shortage of water c. population density d. lack of personal time?
The motor of a crane uses power p to lift a steel beam. by what factor must the motor's power increase to lift the beam twice as high in half the time?
The distances to nearby stars can be measured by using ____. a. absolute magnitude c. color b. temperature d. parallax
What accomplishment from the space industry benefits society? Developing a more powerful rocket booster The successful launch of communication satellites Zero-G toilets Better spacesuits
Classify the following substance as diamagnetic or paramagnetic based on its magnetic properties. Drag the appropriate items to their respective bins. Download png
The bent rod is supported at a, b, and c by smooth journal bearings. the rod is subjected to the force f = 980 n . the bearings are in proper alignment and exert only force reactions on the rod. determine the components of reaction at the bearing a using scalar notation.
Which type of cloud is often taken to be a sign of fair weather? A. Cumulus B. Altostratus C. Stratus D. Nimbostratus
Which region of the Sun is typically about 6,000C? photosphere corona core radiative zone chromosphere convective zone
Which one of the following types of training involves 10 to 30 minutes of high-intensity exercise? A. Anaerobic B. Long, steady distance C. Medium range D. Interval
The term angle of deviation is used in reference to A. a polarizer. B. a prism. C. a lens. D. an analyzer.
Which of the following is NOT a reason why exercise routines should have clearly stated goals? a. Goals allow for time to be spent more efficiently. b. Goals can make sure individuals vary their exercises. c. Goals can keep an individual motivated. d. Goals allow individuals to track their progress against others. Specificity means an exercise program should have end goals that target specific areas. Please select the best answer from the choices ...
What is the first thing to check when a refrigerator stops working? a. check the food temperature. if it is 35Â°f or colder, move the food into a working refrigerator b. check the refrigerator thermometer. if it is below 51Â°f, move food into working refrigerator. c. check the food temperature. if it is 41Â°f or colder, move the food into a working refrigerator d. check the food temperature. if it is 32Â°f or colder, move the food into a working refrigerator?