The driver of a three wheeler with a speed of 36km/h sees a child in the middle of the road and brings his vehicle to rest in 4s just in time to save the child. What is the average retarding force on the vehicle? The mass of the three-wheeler is 400kg and the mass of the driver is 65kg.

Q: Problem 14. A 3800-kg jet touches down at 240 km/h on the deck of an aircraft carrier, and…

A: The kinematics equation can be used to find the unknown values of the velocity and acceleration. The…

Q: The engines of a tanker broke down and the wind pushes the ship with a constant speed of 1.5 m / s…

A:

Q: A light train made of two cars travels at 72 km/h. The mass of car Ais 18 Mg and the mass of car 8is…

A: a) Apply Newton’s second equation of motion to calculate the acceleration. Apply the first…

Q: A car of mass 907 kg coasts on a level road, starting with an initial speed of 14.9 m/s and coming…

A: Given data: Mass (m) = 907 kg Initial velocity (v0 ) = 14.9 m/s final velocity (v) = 0 m/s Time (t)…

Q: A car moving at 9.500 m/s crashes into a tree and stops in 0.2600 s. Calculate the magnitude of the…

A: Given Data:- Initial speed of the car is vi=9.500 m/s. Final speed of the car is vf=0 Time taken by…

Q: An experimental space cruiser was initially drifting in the -x direction with velocity of 10 m/s.…

A: Write the given data. vc=-10 m/sF=5×104 Nt=15 sm=11000 kg

Q: A gymnast with mass mG = 50.0 kg suspends herself from the lowerend of a hanging rope of negligible…

A: Gymnast with mass, Mg=50.0 Kg The upper end of the rope is fixed and the gymnast hangs from the…

Q: Delfa falls from the building and is caught by the superhero. Assuming that Delfa with a mass of 55…

A: Given that, Mass of delfa = 55 kg Terminal velocity = 70 m/s Time t = 0.1 s

Q: A 4768-kg roller coaster train full of riders approaches the loading dock at a speed of 17.1 m/s. It…

A: Consider the retarding force be F, that is, applied against the motion of the roller coaster train.…