A body is resting on a plane in client at angle of 30 degree to the horizontal what force would be required to side it down if the coefficient of friction between body and plane is 0.3 degree our? 5 kilogram 1 kilogram 0r would depend on weight of body

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.