What material has a mass of 241.25 while occupying 12.5cm^3 of space?

Why do you want the water to drip off the metal before it is placed in the calorimeter? (A) The mass and the initial temperature of the calorimeter water will be incorrect and affect the calculation of the specific heat capacity of the metal.

The loudness of a sound is inversely proportional to the square of your distance from the source of the sound.

A diver has 1.1 l of air in her lungs at an air temperature of 26.4°c and a pressure of 1.09 atm. what is the volume (in l) of air in her lungs after she dives, while holding her breath, to a depth of 14 m, where the temperature is 4°c and the

Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs / r, where r is the radius.

At a pressure 49 kPa, the gas in a cylinder has a volume of 11 liters. Assuming temperature remains the same, if the volume of the gas is decreased to 4 liters, what is the new pressure?

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?