A laser produces 20.0 mW of red light. In 1 hour, the laser emits 2.29 X 10^20 photons. What is the wavelength of the laser?

A roller coaster car travels through a loop in 3.1 s with a centripetal acceleration of 26 m/s^2. What is the radius of the roller coaster loop? A. 6.3 m B. 20 m C. 25 m

Select the volume units that are greater than one liter.

A cycler leaves home and rides due south for 65 km. She returns home on the same road. What is the cycler's displacement? Y

Name two conditions that are necessary for fusion to occur in the Sun's core.

A circuit has a voltage drop of 24.0 V across a 30.0 resistor that carries a current of 0.800 A. What is the power conducted by the resistor? Use P = VI. O A. 19.2 W O B. 1.25 W O c. 24.0 W O D. 720.0 W

What objects are found in the sloar system solar system

For slowly moving objects, the drag force in water is approximately proportional to the speed of the object. The Escherichia coli (E. coli) bacterium propels itself slowly through water by means of long, thin structures called flagella.

How do electric and magnetic fields interact to create electromagnets?

Select the correct answer from each drop-down Two magnets are placed as shown in the 00 В D between the poles B and . And the force of between the poles A and DIS Reset Next

Two main pieces of evidence support the big bang theory and the idea that our universe is continually expanding: Doppler shift and cosmic background radiation. Explain how these phenomena provide evidence of the expansion of the universe.