Physics, 15.04.2021 18:00 thawkins79
The load (mass) that a moving wagon was carrying was doubled but the force pulling the load was kept the same. Which of the following is the best assumption about the object’s acceleration?
A The object will have no acceleration.
B The object will travel at a constant speed.
C The object’s rate of acceleration will increase.
D The object’s rate of acceleration will decrease.
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 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 22.06.2019 05:00
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
Answers: 1
Physics, 22.06.2019 14:20
How many atoms of nitrogen are in the chemical formula ni(w on
Answers: 1
The load (mass) that a moving wagon was carrying was doubled but the force pulling the load was kept...
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