The energy per unit charge supplied by a battery is its __________
Fill in the blank(s) with correct word
voltage
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The peak of a body's blackbody radiation curve shifts toward longer wavelength as the temperature of the body __________
Fill in the blank(s) with correct word
A photon of wavelength 18.0 pm is scattered through an angle of 120° by a stationary electron. What is the wavelength of the scattered photon? (mel = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ? s, c = 3.00 × 108 m/s)
A) 19.2 pm B) 20.4 pm C) 21.6 pm D) 22.9 pm E) 24.1 pm
For nearby spirals, their rotation curves help measure both light and dark matter
Indicate whether the statement is true or false
A 2.0-kg block slides on a frictionless 15° inclined plane. A force acting parallel to the incline is applied to the block. The acceleration of the block is 1.5 m/s2 down the incline. What is the applied force?
a. 8.1 N down the incline b. 3.0 N down the incline c. 2.1 N up the incline d. 3.0 N up the incline e. 8.1 N up the incline