HELP! I WILL BE GIVING 50 POINTS A piece of charcoal has a volume of 2.6 cm3 and a mass of 1.48 g. What is the density of the charcoal?
A. 0.57 g/cm3
B. 1.1 g/cm3
C. 1.8 g/cm3
D. 4.1 g/cm3

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

With physics question #5? for any !

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? round your answer to the nearest tenth. s how far will the football travel before it lands? round your answer to the nearest tenth. m