Weegy: B. 160 m is the total displacement.
User: If a system requires 150 J of input work and produces 123 J of output work, what's its efficiency?
A. 92%
B. 122%
C. 72%
D. 82%
Weegy: If a system requires 150 J of input work and produces 123 J of output work 82% is its efficiency.
User: Which of the following is not part of testing a hypothesis?
A. Reasoning
B. Modeling
C. Collecting data
D. Gathering evidence
Weegy: Modeling is not part of testing a hypothesis.
User: Two objects are 5 kg and 10 kg respectively, and they're 10 m apart. If the distance between them is increased to 20 m, what happens to the gravitational force?
A. It increases slightly.
B. It decreases.
C. It is doubled.
D. It doesn't change.
(More) 5
If an object moves 40 m north, 40 m west, 40 m south, and 40 m east, The total displacement is 0 m.
Added 231 days ago|6/5/2020 10:42:37 PM
5
Two objects are 5 kg and 10 kg respectively, and they are 10m apart. If the distance between them is increased to 20m, the gravitational force: it decreases.
Added 231 days ago|6/5/2020 10:46:47 PM