The Crab Pulsar has a period that is currently of length 33.085ms. It is estimated to have an equatorial radius of 15km, about average for a neutron star. The pulsar is slowing in its rotation so that it is expected to come to rest 
in the future. What is the value of the tangential acceleration of an object on the neutron star’s equator?
A. 
B. 
C. 
D. 
E. 
A.
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Addition by 1. Components: The figure shows three vectors and their magnitudes and relative directions. The magnitude of the resultant of the three vectors is closest to 
A. 19. B. 16. C. 13. D. 10. E. 7.0.
The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass. An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water. The change in length of the ordinary glass rod will be __________ times the change in length of the Pyrex glass rod
Fill in the blank(s) with correct word
A hockey puck slides off the edge of a table with an initial velocity of 28.0 m/s. The height of the table above the ground is 2.00 m. What is the angle below the horizontal of the velocity of the puck just before it hits the ground?
A) 77.2° B) 72.6° C) 12.8° D) 12.6° E) 31.8°
Find the momentum and speed of a proton whose kinetic energy equals its rest energy. (The mass of a proton is 938.3 MeV/c2)