Aray of light is traveling in a glass cube that is totally immersed in water. you find that if the ray is incident on the glass–water interface at an angle to the normal larger than no light is refracted into the water. what is the refractive index of the glass?

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.

What would be the net charge of 1 gram gold piece after removal of 1% of its electrons

If we compare and contrast the three seen in the jar , the best explanation would be that