Register
During a race a cyclist changes speed from 48 KPH (km/hr) to 27 KPH. If this was done in 15 seconds what was her acceleration in km/hr2? Pick the correct answer from the ranges below.
229k views
2 votes
During a race a cyclist changes speed from 48 KPH (km/hr) to 27 KPH. If this was done in 15 seconds what was her acceleration in km/hr2?

Pick the correct answer from the ranges below.

User Richard Deurwaarder
by
5.7k points

1 Answer

7 votes

Answer:

-5040 km/h²

Step-by-step explanation:

Average acceleration a is given by:

a = Δv/Δt

a = (27km/h - 48km/h) * 60m/h * 60s/m / 15s

User Thinhbk
by
6.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.9m questions

7.7m answers

Other Questions

How does the capacitance of a parallel plate capacitor change with the geometry of the capacitor?
What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? Resistance is directly related to length. Resistance is directly related to the square
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
A space station that does not rotate cannot simulate gravity for its occupants. A)True B)False From within a rotating reference frame, the centrifugal force simulates gravity. A)True B)False On a rotating
Link Copied!