Two colours of light which mix to make white light are called

a) primary colours

b) secondry colous

c) complementary colours

d) dye

What is the mass of a 410 n create

One radian per second is equal to?

What is 0.56 in scientific notation?

The speed of the current in a river is 6 mph. A ferry operator who works that part of the river is looking to buy a new boat for his business. Every day, his route takes him 22.

Consider the circuit below, which is powered by a 8-v battery. switch s is opened at t = 0 after having been closed for a long time.

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