Physics, 23.06.2019 00:20 DwayneLeonard618
What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%
Answers: 2
Physics, 22.06.2019 02:30
Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.
Answers: 2
Physics, 22.06.2019 15:30
What is a subatomic particle with a negative charge and very little mass?
Answers: 1
Physics, 23.06.2019 02:00
How does changing the frequency affect the energy of the wave?
Answers: 3
What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules...
Mathematics, 01.12.2021 21:10
Mathematics, 01.12.2021 21:10
Mathematics, 01.12.2021 21:10
History, 01.12.2021 21:10
English, 01.12.2021 21:10
Mathematics, 01.12.2021 21:10
Social Studies, 01.12.2021 21:10