18 Golfer & ball A golfer hits a golf ball, imparting to it an initial speed of 53 m/s directed 27' above the horizontal. Assuming that the
mass of the ball is 41 g and the club and the ball are in contact for 1.0 ms. Find
b) the magnitude of the average force, in Newtons, exerted on the ball by the club:

we need to know the time interval during which the force acts. impulse of force = momentum change

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

that would be because of both gravity and friction. so     c