3. A golf ball of mass 0.045 kg traveling horizontally at 28 m/s hits a brick wall and bounces back at the same speed after a contact time of 0.040 s. Show that the average force of impact with the wall is 63 N.

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?