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.

What is the charge of fluorine if it gains 1 electron

A 95 N net force is applied to an ice block with a mass of 24 kg. Find the acceleration of the block if it moves on a smooth horizontal surface.

Any material from Which energy can be obtain is called a ___ A - biomass B - hydrocarbon C - fuel D - generator

What are the benefits of scientists using the metric system worldwide? Select all that apply. reduce the chance of errors in correspondence more accurate measuring system it is already in line with the measurement system used in the U. S.

What is the eccentricity of the ellipse if its major axis is twice its minor axis?

If two cars had the same engine, which delivered the same force to the wheels, but the first car was more massive than the second would the cars perform differently?

The two subspecies ties of astronomy are

Which best explains why scientific theories grow stronger over time?

Which of the following simple machines is not properly identified? A. Scissors: lever B. Pizza cutter: wedge C. Screw: wheel and axle D. Ramp: inclined plane

Two tiny spheres of mass 6.8 mg carry charges of equal magnitude