In order to change the color of light you must change

a. Only the frequency of the light

b. Only the wavelength of the light

c. Either the frequency or the wavelength of the light

d. Neither the frequency nor the wavelength of the light

How to calculate time using power and energy

If a 240 N force F1 is applied to the piston with the 4 cm diameter, what is the magnitude of the force F2 that can be resisted by the piston with the 10 cm diameter

A single-turn rectangular wire loop measures 6.00 cm wide by 10.0 cm long. The loop carries a current of 3.00 A. The loop is in a uniform magnetic field with B = 4.00 times 10^-3 T.

A football player initially at rest accelerates uniformly as she runs down the field, travelling 17m (E) in 3.8s. What is her final velocity?

a 2.4*10^2 N force is pulling an 85 kg refrigerator across a horizontal surface. the force acts at an angle of 20.0 above the surface. the coefficient of kinetic friction is. 200, and the refrigerator moves a distance of 8.00 m.

What is the name of the area surrounding earth that is influenced by earth's magnetic field?

A 15 g turntable is covered with a uniform layer of dry ice that has a mass of 9.0 g. The angular speed of the turntable and dry ice is initially 0.75 rad/s. What is the angular speed of the turntable once all the dry ice has evaporated?

Rainwater was collected in water collectors at thirty different sites near an industrial basin and the amount of acidity (pH level) was measured. The mean and standard deviation of the values are 4.60 and 1.10 respectively.

A hot air balloon is rising straight up at a constant speed of 7 m/s. when the balloon is 12.0 m/s above the ground, a gun fires a pellet straight up from ground level with an initial speed of 30.0 m/s.

The atmosphere is an). O element O molecule O mixture O compound