Little timmy wants to measure how tall his house is. he doesn’t have a tape measure but does have a stopwatch. he recruits big bob to climb on his roof and drop a rock. he times the rocks fall and finds it to be 1.67 s. how tall is his house?

Which of the following is an example of motion in two dimensions?

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.

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? how far will the football travel before it lands?