Over a million students use our free study notes to help them with their homework
This can be solved in 2 main sections: the first to find the acceleration of the car, and then the second to find how long it spends accelerating. To find the acceleration, Newton's 2nd Law (F=ma) can be ...
Reflection: a wave hits a surface, and bounces back into the medium it was originaly in
Refraction: a wave enters a medium with a different refractive index to the original medium it was travelling...
A force is any influence that causes an object to undergo a specific change. Resulting unbalanced forces can cause changes in speed, shape or direction, whereas equal or balanced forces result in an equil...
This question asks students to recall the equation Work done = Force x Distance.
In this question, students must multiply 200 by 5, with the answer being 1000 Joules.
It is important that ...
Initially, when you drop an object the only force acting on it is gravity. This accelerates the object towards the ground. As the objects speed increases so does the force of air resitance acting on the o...
←
68
69
70
71
72
→
Internet Safety
Payment Security
Cyber
Essentials
Comprehensive K-12 personalized learning
Immersive learning for 25 languages
Trusted tutors for 300 subjects
35,000 worksheets, games, and lesson plans
Adaptive learning for English vocabulary
Fast and accurate language certification
Essential reference for synonyms and antonyms
Comprehensive resource for word definitions and usage
Spanish-English dictionary, translator, and learning resources
French-English dictionary, translator, and learning
Diccionario ingles-espanol, traductor y sitio de apremdizaje
Fun educational games for kids
