The German V-2 rocket was the first man made object in space

What is the speed of light through a substance with index of refraction of 1.22? 3.66 * 10^8 m/s 3.00 * 10^8 m/s 2.01 * 10^8 m/s 2.46 * 10^8 m/s

Eukaryotic that can reproduce sexually contain two types of cells

Which of the following is quantitative data? a. Color c. Shape b. Odor d. Volume

how long can you afford to stop for lunch if you can drive a steady 90 km/h on the highway and must take a 225 km trip in 210 min?

Hi to answer this question you need to be in 5th grade or older Carlita hangs two balloons from a desk. when they hang normally, they are close together but they do not touch. Carlita rubs both balloons with a wool cloth.

the half-life of carbon - 14 is 5730 years. What fraction of carbon-14 would remain after 11,460 years?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.