A 2.00 kg mass is connected to a spring with a spring constant of 6.00 N/m. The displacement is given by the expression x(t) = 12.0 cm sin
What is the maximum velocity the simple harmonic motion?
A. 34.8 cm/s
B. 30.7 cm/s
C. 25.6 cm/s
D. 20.8 cm/s
E. 17.5 cm/s
D. 20.8 cm/s
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The straight-line distance and direction between two points are, together, called
a. velocity. b. displacement. c. distance. d. acceleration.
The interstate on-ramp is 5.5 km West of your home, and on leaving for grandmother’s house you are only able to accomplish an average velocity of 38 km/hr between your home and the on-ramp. At the on- ramp, you wait for traffic, for 2.0 min – and then are able to proceed toward grandmother’s house. If you wish to arrive there, which is 15 km South of the on-ramp, over a river and through some woods, having achieved an average velocity of 42 km/hr, how fast do you need to drive south on the interstate highway?
A. 58 km/hr B. 48 km/hr C. 78 km/hr D. 39 km/hr
Can an element decay "backward" in the periodic table, to a lower atomic number?
A) No, in fact elements cannot alter their atomic number by radioactive decay. B) No, but an element can decay to a higher atomic number. C) Yes, by beta decay. D) Yes, by alpha decay. E) Yes, radioactive decay always causes elements to decay to a lower atomic number.
What distinguishes a huge block of ice from a glacier?
What will be an ideal response?