Calculate the speed at impact to a driver at a distance

Reference no: EM13303546

A large rock became visible to a driver at a distance of 175 ft. Assuming a perception-reaction time of 0.8 s, an initial speed of 42 mi/h, a coefficient of friction of 0.5, and a level roadway, calculate the speed at impact.

Reference no: EM13303546

Questions Cloud

How far from the lens must the screen be placed : A slide projector has a lens of focal length 150. mm. An image 100. cm × 100. cm is formed of a slide whose dimensions are 50.0 mm × 50.0 mm

What is the speed of the jeroboam seen by captain ahab : You are in a radar station on the coast. You are monitoring the motion of two ships. The Pequod is 4.00 km away, What is the speed of the Jeroboam seen by Captain Ahab

Does the subject driver have enough time to read the sign : The letter size is such that the sign can be ready by a person with 20/20 vision from a distance of 200 ft. Does the subject driver have enough time to read the sign at a speed of 30 mi/h

Brief description of the nossal institute for global health : Give a brief description of the Nossal Institute for Global Health (Nossal) and outline how climate change is likely to affect Nossal's business operations in developing countries.

Calculate the speed at impact to a driver at a distance : A large rock became visible to a driver at a distance of 175 ft. Assuming a perception-reaction time of 0.8 s, an initial speed of 42 mi/h, a coefficient of friction of 0.5, and a level roadway, calculate the speed at impact.

Calculate the magnitude of the change in the balls momentum : A 243-g ball falls vertically downward, hitting the floor with a speed of 2.48 m/s, Calculate the magnitude of the change in the ball's momentum

Summary on sensing vehicle dynamics : I need summary Sensing Vehicle Dynamics for Determining Driver Phone Use. Defining Robustness to Real-Road Driving Environments.

Identify the minimum and maximum deflection and rope tension : Friction of the walker's shoes and rope are sufficient to cause the rope to have more tension on one side then the other. Neglecting the weight and any elastic deformations of the 20.1-m long rope, create a table using 1.0m increment for the range

How many shares will luther have outstanding : After the repurchase, how many shares will Luther have outstanding?

User Account

All Pages