Answers: 1
Physics, 21.06.2019 19:00
When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.
Answers: 3
Physics, 22.06.2019 05:30
Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue
Answers: 2
Physics, 22.06.2019 09:30
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 3
1.5 An iron is supplied with a current of 3 A from the mains. The resistance
of the iron is 100 12....
Mathematics, 29.04.2021 07:50
Computers and Technology, 29.04.2021 07:50
History, 29.04.2021 07:50
Physics, 29.04.2021 07:50
Spanish, 29.04.2021 07:50
Mathematics, 29.04.2021 07:50
Mathematics, 29.04.2021 07:50
Health, 29.04.2021 07:50
Physics, 29.04.2021 07:50
Mathematics, 29.04.2021 07:50
Mathematics, 29.04.2021 07:50