Markings to indicate length are placed on a steel tape in a room that is at a temperature of 20°C. Measurements are then made with the same tape on a day when the temperature is 14°C. Assume the objects you are measuring have a smaller coefficient of linear expansion than steel. Are the measurements too long, too short, or accurate?
Answers: 2
Another question on Physics
Physics, 21.06.2019 15:00
Using software, a simulation of a javelin being thrown both on earth and on the moon is created. in both cases, the velocity and angle of projection are kept the same. on earth, the javelin covers a distance y. what distance would it cover on the moon? (the moon’s gravity is about 1/6th that of earth.) a. 6y b. 6/y c. y/6 d. (y+6)2
Answers: 3
Physics, 21.06.2019 21:20
Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above
Answers: 3
Physics, 22.06.2019 01:00
When you turn on a battery-operated device, an electrical circuit is
Answers: 1
Physics, 22.06.2019 05:00
Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?
Answers: 1
You know the right answer?
Markings to indicate length are placed on a steel tape in a room that is at a temperature of 20°C. M...
Questions
Spanish, 03.12.2020 19:20
French, 03.12.2020 19:20
Mathematics, 03.12.2020 19:20
Mathematics, 03.12.2020 19:20
Mathematics, 03.12.2020 19:20
English, 03.12.2020 19:20
English, 03.12.2020 19:20
