/103 A train enters a curved horizontal section of track at a speed of 100 km/h and slows down with con- stant deceleration to 50 km/h in 12 seconds. An ac- celerometer mounted inside the train records a horizontal acceleration of 2 m/s² when the train is 6 seconds into the curve. Calculate the radius of curvature p of the track for this instant.

Situation 03. A road having a radius of 120m and has an angle of 9.31° from the horizontal. The center of gravity of the car is located 0.80m above the roadway and the distance between the two front wheels is 1.20m. If the car has a total weight of 15KN, a. Compute the normal acceleration and the velocity of the car before overturning. b. If = 0.60, what is the velocity of the car without sliding? %3D

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An accelerometer C is mounted to the side of the roller-coaster car and records a total acceleration of 3.9g as the empty car passes the bottommost position of the track as shown. If the speed of the car at this position is 205 km/h and is decreasing at the rate of 16 km/h every second, determine the radius of curvature p of the track at the position shown. Answer: p= i m 0.65 m

The radius of a highway curve is 120 m, and has an angle of 9.31° from the horizontal. The center of gravity of the car is located 0.80 m above the roadway and the distance between the two front wheels is 1.2 m. If the car has a total weight of 15 KN. a. Determine the normal acceleration and the velocity (in kph) of the car before overturning. b. Find the maximum velocity of the car could move along the curve so that there will be no outstanding pressure between the tires and the roadway. c. If the coefficient of kinetic friction is 0.60, what is the maximum velocity (in kph) of the car without sliding.

A Car rounds a 100-m radius curve at a constant speed of 60 kph. Which of the following statements is/are TRUE considering its motion on the curve path? Select ALL possible answers. O The car has a tangential acceleration. The car has a normal acceleration directed towards the center of the curved path. O The car has a normal acceleration directed away from the center of the curved path. The car has no tangential acceleration. The velocity of the car changes at any instant. O none of these

1 CE122 Anser plsss

A student releases a system on an incline as shown. The coefficient of friction of static friction between the 20kg box and the surface is 0.28 and the coefficient of kinetic friction is 0.16. Neglect drag. What is the magnitude of maximum static friction between the block and the surface in this situation? 47.1 What direction is the friction on the 20kg block? up-left What direction will the 20kg block slide? 20kg 7.6kg neither What is the magnitude of the friction? 26.5 What is the magnitude of the net force on the system? 0. What is the magnitude of the system's acceleration? 0.015 m/s? What is the tension in the string? 74.6 cannot be de check answers nallenge ne Calculator und = 343m/s ant figures