Answers>Physics>GCSE>Article

A tennis ball is hit over a net with a speed of 45ms^-1 and has a mass of 30g. Calculate the kinetic energy of tennis ball.

K=0.5mv^2 K=0.50.03*(45^2) K=30.4J

LM
Answered by Liam M. • Physics tutor

3126 Views

See similar Physics GCSE tutors

Related Physics GCSE answers

All answers ▸

What does it mean to 'earth' something?

Answered by Rhiannon J.

A heater uses energy from a laptop computer to keep a mug of coffee hot. Energy is transferred to the coffee at the bottom of the mug. Explain how a convection current is set up in the coffee.

Answered by Evan H.

What is electrical current?

Answered by Suzanna H.

Calculate the total resistance across AB; between A and B are two parallel branches, one branch with a 3 Ohm and a 5 Ohm resistor, the other branch with a 4 Ohm resistor.

Answered by Peter A.

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

Company Information

CareersBlogSubject answersBecome a tutorSchoolsSafeguarding policyFAQsUsing the Online Lesson SpaceTestimonials & pressSitemap

Popular Requests

Maths tutorChemistry tutorPhysics tutorBiology tutorEnglish tutorGCSE tutorsA level tutorsIB tutorsPhysics & Maths tutorsChemistry & Maths tutorsGCSE Maths tutors

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
CEOP logo
CLICK CEOP

Internet Safety

Sagepay logo

Payment Security

Cyber Essentials logo

Cyber

Essentials

Cookie Preferences