Which of these binary systems is most likely to contain a black hole? a. an x-ray binary containing an o star and another object of equal massb. a binary with an x-ray bursterc. an x-ray binary containing a g star and another object of equal mass

A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.

Which radioisotope is used in dating geological formations?