1. which of these is necessary for a reasonable order-of-magnitude estimate of the speed of a falling object? a. round all numbers to the nearest whole number. b. have a correct and exact value for the distance of the fall. c. use numbers for the time and distance of the fall that are reasonable even if inexact. d. assume that any falling object takes about a second to reach the ground
Answers: 2
Another question on Physics
Physics, 21.06.2019 14:30
Define the meaning of the unalienable rights of life liberty and persuit of happiness
Answers: 3
Physics, 22.06.2019 09:00
An open cart is moving along a straight frictionless horizontal track. when rain starts falling vertically into the cart, what happens to the speed of the cart?
Answers: 3
Physics, 22.06.2019 11:50
Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?
Answers: 2
Physics, 22.06.2019 17:20
In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy
Answers: 2
You know the right answer?
1. which of these is necessary for a reasonable order-of-magnitude estimate of the speed of a fallin...
Questions
Computers and Technology, 09.06.2021 16:20
Mathematics, 09.06.2021 16:20
Arts, 09.06.2021 16:20
Mathematics, 09.06.2021 16:20
Mathematics, 09.06.2021 16:20
Mathematics, 09.06.2021 16:20
Mathematics, 09.06.2021 16:20
Mathematics, 09.06.2021 16:20
Social Studies, 09.06.2021 16:20
Mathematics, 09.06.2021 16:20
Mathematics, 09.06.2021 16:20
