The cross sectional area of an optical fibre is 6.3 x 10^-6 m^2 The intensity of the light entering the optical fibre is 3.2 x 10^7 W/m^2 Calculate the power of the light entering the optical fibre

Длина лодки=6 метров человек, масса которого в 2 раза меньше массы лодки переходит с носа на карму определить, на какое расстояние переместилась лодка, если сопротивление воды пренебречь?

In describing a vector, what must you describe besides the magnitude? O A. Its direction O B. Its a scalar quantity O C. Its length O D. Its resultant

Why do you think the chemical reactions lab we did is typically called a "copper plating lab"? a. Because the acid solution cleaned the pennies and made the copper look shinier. b.

A hair dryer is a pump for air. Do a battery and a Genecon act like pumps for charge? Yes No

The index of refraction of a material medium must be less than 1 true or flase

Which of the following statements best describes the current state of understanding regarding the apparent acceleration of the expansion of the universe?

Should young people be allowed to do extreme sports? (give me two reasons why) 1. Opinion: 2. Reason why: 3. Reason why:

A light ray is incident on a reflecting surface. If the light ray makes a "35°" angle with respect to the normal to the surface, what is the exact angle (in degrees) made by the reflected ray relative to the normal?

Reimbursement means that a client is A. able to apply for healthcare insurance and refunded for a partial sum of the payment plan by the state. B.

Meg runs a 10km race in 45 minutes (0.75 hours). What was her speed in kilometers per hour? a. 22 km/hr b. 7.5 km/hr c. 4.5 km/hr d. 13 km/hr