Register
What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?
16.2k views
4 votes
What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?

User Fanfabbb
by
5.1k points

2 Answers

7 votes

0.5mv^2 > 0.5*0.15*40*40=120J

User Sajjad Shirazi
by
5.4k points
4 votes
Kinetic Energy = 1/2 Mass (kg) * velocity squared (m/s)

KE = 1/2mV^2

KE = 1/2(0.15 kg)(40 m/s)^2

The answer is 120 joules.
User Lambivist
by
5.9k 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

7.6m 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
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
Explain why the roller coaster’s potential energy is greater at point 1 than at point 4.
Link Copied!