How does car brakes change physical forces related to:

•Collision

•Velocity during impact

•Acceleration/Deceleration

• Force of impact

•Momentum

After falling a distance of 45.0 m from the top of a building, a box is landing on the top of a car, which is crushed to a depth of 0.50 m due to the impact. g-9.

Which are long chains of subunits formed by the process of polymerization? Check all that apply. A. subunits B. macromolecules C. monomers D. polymers E. ethylene F. DNA

A swimming duck paddles the water with its feet once per time interval of 1.6 s, producing surface waves with this period. The duck is moving at constant speed in a pond where the speed of surface waves is 0.

according to the law of reflection what is the relationship between the angle 9f incidence and the angle of reflection

Definition of cloud formation in your own words

a motorcycle begins at rest and accelerates uniformly at 7.9 m/s2. We want to find the time it takes the motorcycle to reach a speed of 100 km/h. Which kinetic formula would be most useful to solve for the target unknown?

When a covalent or an ionic bond is formed a chemical change has occurred. Which of these is not associated with a chemical change? A) The atoms of the substance produced have been rearranged.

Two 8 ohm resistor in parallel

After a quick review of the textbook, rank the following elements in order of increasing density: (A) copper, (B) nickel, (C) titanium, (D) silicon.

How much power is expended if you lift a 60 n crate 10 meters in 1 second? a. 0 w b. 6 w c. 10 w d. 60 w e. 600 w?