The position of a mass that is oscillating on a spring is given by x = (17.4 cm) cos[(5.46 s-1)t]. Write an expression for the acceleration of the particle as a function of time
What will be an ideal response?
-(519 cm/s2 ) cos[(5.46 s-1 )t]
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As an incompressible fluid in a pipe flows past a region where the pipe gets narrower:
a. the fluid flows faster. b. the fluid flows more slowly. c. the speed of the fluid remains the same. d. the number of gallons of fluid per second increases. e. the number of gallons of fluid per second remains the same.
How will TESS build upon the Kepler mission?
A) It will zoom in on the best planet candidates and allow us to confirm whether or not they are actually planets. B) It will use the same strategy but will cover the whole sky. C) It will allow us to detect extrasolar planets from the Southern hemisphere instead of just the Northern hemisphere. D) It will allow us to observe in a different wavelength.
A straight 1.0-m long wire is carrying a current. The wire is placed perpendicular to a magnetic field of strength 0.20 T. If the wire experiences a force of 0.60 N, what is the current in the wire?
A) 1.0 A B) 5.0 A C) 2.0 A D) 3.0 A E) 4.0 A
The CNO cycle requires higher temperatures than those needed in the proton-proton fusion chain
a. True b. False Indicate whether the statement is true or false