Assume that you have a meter stick balanced on a pivot, and pile of additional masses that you can hang on the meter stick.
What is the minimum number of additional masses that you need to hang from the meter stick in order to determine the mass of the meter stick itself?
0
1
2
3
It's a trick question, you cannot uses masses to determine the mass of the meter stick.
Answers: 2
Physics, 21.06.2019 18:30
An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball
Answers: 1
Physics, 22.06.2019 01:30
Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz
Answers: 3
Physics, 22.06.2019 04:30
The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:
Answers: 1
Physics, 22.06.2019 14:30
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
Assume that you have a meter stick balanced on a pivot, and pile of additional masses that you can h...
Mathematics, 26.03.2020 01:56
History, 26.03.2020 01:56
History, 26.03.2020 01:56
Physics, 26.03.2020 01:56
Chemistry, 26.03.2020 01:56
Advanced Placement (AP), 26.03.2020 01:56
Computers and Technology, 26.03.2020 01:56
Social Studies, 26.03.2020 01:56
Engineering, 26.03.2020 01:56