An astronaut is wearing a jet pack on a space walk. including the jet pack, he has a mass of 90 kilograms. initially, he is not moving with respect to the spaceship nearby. if the astronaut fires 0.06 kilograms of gas from his thruster at a speed of 700 meters per second, what will his speed be after the firing? a. 0.32 meters/second b. 0.47 meters/second c. 4.7 meters/second d. 42 meters/ second

Sara is creating an experiment. her hypothesis states the following. if i increase the air in my tires, then i will get better gas mileage. if this is her hypothesis what column titles do we need in our date table? a. air pressure in tire (psi) and gas mileage (mph) b. air pressure in the atmosphere (psi) and gas mileage (mph) c. miles (m) and gallons per mile (g) d. old battery and new battery

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?

This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.