Two forces are acting on an object. the first force is 5.00 n (east) and the second force is 8.00 n (south 320 what is the magnitude of the net force? a. 12.52 n b. 4.60 n c. 6.83 n d. 21.2 n 20. you push a 5.00 kg box across a floor with a force of 20.0 n. the coefficient of friction between the box and the floor is 0.200. what is the value of the force of friction? a. 49.0 n b. on c. 20.0 n d. 9.80 n 21. a tortoise and a hare are in the middle of a race. the hare has fallen asleep, but gets woken up just as it notices the tortoise passing it. if the tortoise is moving at a steady 0.250 m/s and the hare, who starts at rest, can accelerate at 0.100 m/s2, how long will it take for the hare to catch up to the tortoise? a. 5.00 s b. 7.25 s c. 2.50 s d. 1.00 s 22. jupiter has a mass of 1.90 x 1027 kg and a radius of 6.99 x 107 m. what is the minimum speed needed for an object on the surface of jupiter to escape from the gravitational pull and never return? a. 42.6 km/s b. 69.7 km/s c. 60.2 km/s d. 51.4 km/s 23. a 905 kg car is going around a banked curve with a radius of 110.0 m. if the banking angle is 23.5 degrees, what is the maximum angular velocity the car can travel so that it stays on its path without the assistance of fiction? a. 0.197 rad/s b. 0.188 rad/s c. 21.7 rads d. 0.286 rad/s