When the temperature if the air is 25 degrees celsius, the velocity of a sound wave traveling through the air is approximately

To produce the pressure gradient responsible for inspiration, thoracic volume must first increase in order to decrease intrapulmonary pressure relative to atmospheric pressure. True or False

Why is static friction greater than kinetic friction/?

What is the formula for force? a. Force = mass * velocity b. Force = mass * acceleration c. Force = mass / acceleration d. Force = acceleration / mass

When iron rusts, iron atoms are destroyed true or false?

An isotope has the same number of but a different number of than other atoms of the same element.

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?

A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.2 µC/m2. (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?

A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 12 A, while that of the vacuum cleaner is 5.7 A. Determine the power consumed by (a) the blow-dryer and (b) the vacuum cleaner.

4. A 40 kg child and a 30 kg child want to balance themselves on a 4 meter, 50 kilogramn see-saw. Where should the fulcrum be placed?