1. What is the speed of sound in air that has a temperature of 90.0 °C?

Crew members attempt to escape from a damaged submarine 141 m below the surface. What force must be applied to a pop-out hatch, which is 1.72 m by 0.

The graphs show the motion of an object in both the x and y directions. Classify the motion of this object. A) It is moving in a circle. B) It is moving in one dimension. C) It is moving in two dimensions. D) It is moving in three dimensions.

During exponential growth, the rate of growth A. declines consistently over time. B. starts quickly and then levels off. C. remains steady over time. D. starts slowly and then accelerates.

A 70.0 kg ice hockey goalie, originally at rest, has a 0.110 kg hockey puck slapped at him at a velocity of 43.5 m / s. Suppose the goalie and the puck have an elastic collision, and the puck is reflected back in the direction from which it came.

Are majority of security systems installed near bathrooms

In Part A, you determined that the heat added to the coffee is what you got. If it takes 4.2 J of energy to raise the temperature of 1.0 mL of coffee by 1.0∘C, then it should take twice as much energy to raise the temperature of 2.

The brightness of a star depends on what three factors?

What is most likely the relationship between Mendel's rules of genetics and Darwin's idea of biological evolution? Mendel's genetics states laws that are now part of the theory of biological evolution.

Why would it be a problem if your household appliances were connected in a series circuit

An object with a mass of 100 g is in free fall. What is the speed of the object after it has fallen for 4 seconds? A. 39 m/s B. 9.8 m/s C. 25 m/s D. 96 m/s