A Car is pushing against the road to go forward with a constant speed speed and direction. It is not acceleration. The road pushes the car forward with a force of 50 newtons. Air Friction resists the car's forward motion with a force of -20 N. How much friction does the road exert on the car?

An ideal spring has a spring constant (force constant) of 2500 n/m, is stretched 4.0 cm, how much elastic potential energy does it possess? (a) 3j (b) 0.00j (c) 1j (d) 2j (e) 4j

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.

Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency