An astronaut floating in space throws a wrench forward with the force of 10 N. How much force does the wrench apply to the astronaut?

A. greater than 10 N
B. less than 10 N
C. zero; the wrench does not apply a force
D. exactly 10 N

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.