Kinetic Energy: If the kinetic energy of a proton is 80% of its total energy, what is the speed of the proton?
A. 0.02c
B. 0.87c
C. 0.98c
D. 1.0c
Answer: C
Physics & Space Science
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For a wave with a constant speed, the smaller the period, the ______________ its wavelength
Fill in the blank(s) with correct word
Physics & Space Science
Ohm's Law: A light bulb operating at 110 V draws 1.40 A of current. What is its resistance?
A. 12.7 ? B. 78.6 ? C. 109 ? D. 154 ?
Physics & Space Science
Find the electrical potential at 0.055 m from a point charge of 6.0 mC. (ke = 8.99 × 10^9 N×m2/C2)
a. 1.5 × 10^5 V c. 9.8 × 10^5 V b. 1.2 × 10^7 V d. 3.6 × 10^5 V
Physics & Space Science
When a projectile is launched, the velocity may be described as:
a. increasing in the vertical direction. b. decreasing in the horizontal direction. c. constant in the vertical direction. d. constant in the horizontal direction.
Physics & Space Science