Register
A biker passes a lamppost at the crest of a hill at +4.5 m/s. She accelerates down the hill at a constant rate of +0.40 m/s² for 12 s. How far does she move down the hill during this time?
115k views
5 votes
A biker passes a lamppost at the crest of a hill at +4.5 m/s. She accelerates down the hill at a

constant rate of +0.40 m/s² for 12 s. How far does she move down the hill during this time?

User Anar
by
5.8k points

1 Answer

2 votes

Answer:

82.8 m

Step-by-step explanation:


d = v_(0)t + (at^_2)/(2)\\\\d = 4.5 m/s*12s +(0.40 m/s^(2)*(12s)^(2))/(2) = 82.8 m

User Justify
by
5.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.8m questions

7.5m answers

Other Questions

How does the capacitance of a parallel plate capacitor change with the geometry of the capacitor?
Explaining Wave Speed through Different Media Explain why the speed of light is lower than 3.0 × 108 m/s as it goes through different media.
Indy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minute for the next 350 meters, and 3 minutes for the rest. Cindy’s average speed
Explain why the roller coaster’s potential energy is greater at point 1 than at point 4.
the force is found by multiplying the mass of an object by velocity at which it travels. true or false
Link Copied!