What unit is used to measure force?
A. Meters per second
B. Meters
C. Grams
D. Ne...
Physics, 26.02.2021 22:30 amberunderhill
What unit is used to measure force?
A. Meters per second
B. Meters
C. Grams
D. Newtons
Voyager 2 is a space probe, launched in 1977,
to study the outer planets. It will continue to
travel through space for thousands of years
without stopping. Which of Newton's laws
does this describe?
A. 1st
B. 2nd
C. 3rd
D. 1st and 2nd
Which two properties are used to
describe motion?
A. Speed and time
B. Length and time
C. Mass and distance
D. Distance and speed
Total distance divided by total time is?
A. Acceleration
B. Positive acceleration
C. Average speed
D. Constant speed
A: 9
B: 1
C: 4
D: 6
Answers: 3
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 1
Physics, 22.06.2019 06:50
What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl,max are applied?
Answers: 1
Physics, 22.06.2019 08:30
Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?
Answers: 3
Physics, 22.06.2019 16:50
Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.
Answers: 2
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