2. A 4.5 kg model rocket is launched, expelling 152 grams of burned fuel from its exhaust at a speed of

786 m/s. What is the speed of the rocket after the fuel has burned? Ignore the forces of gravity and air

resistance.

Collect information about working of geyser and prepare a report

One person raises a 100 lb. box 5 ft. to load on a truck. Another person loads a similar box in half the time. Which statements are correct? Both men did equal work. The first person did more work. The second person did more work.

Which of Kepler's laws states that planets sweep areas in equal times? a. first b. second c. third d. law of universal gravitation

What happens to the metal railroad tracks during the heat of the summer

A saturated solution of lead (II) nitrate was made at 50 °C using 100 g of water, and this was then allowed to cool to 30 °C. Predict what would happen as the solution cooled?

Which formula describes acceleration? m/s^2 m/s s/m m2

An arrow is shot upward on mars from ground level with a velocity of 60 meters per second. Its height (in meters) after t seconds is given by 2 s (t) = 60t - 1.9t^2.

Energy transformations in a bouncy house

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

What is the use of scientific knowledge and research for an action