A 0.0450-kg golf ball initially at rest is given a speed of when a club strikes. If the club and ball are in contact for 2.00 ms, what average force acts on the 25.0 m>s 55 m>s, 73.14 m>s. 2.60 m>s. 2.75 m>s +y-direction) at 23.0 m>s. 14.0 m>s K = p2 >2m. 15.0 m>s 12.0 m>s? Exercises 269 ball? Is the effect of the ball’s weight during the time of contact significant? Why or why not?

A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work