Is it possible for an object moving with a constant speed to accelerate? Explain
What will be an ideal response?
Yes, although the speed is constant, the direction of the velocity can be changing.
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What causes the Coriolis force?
a. The increase in the speed the surface you stand on moves as you increase the radius on a rotating platform. b. The tendency to continue moving in a straight line on a rotating platform. c. The outward force of rotation on a moving platform. d. The force exerted by the platform to keep you moving when stay at the same radius. e. The reaction force that acts on you from the rotating platform.
The radiation era lasted for only the first few billion years of the Big Bang
Indicate whether the statement is true or false
Intensity: A light source radiates 60.0 W of single-wavelength sinusoidal light uniformly in all directions. What is the amplitude of the magnetic field of this light at a distance of 0.700 m from the bulb?(?0 = 8.85 × 10-12 C2/N ? m2, ?0 = 4? × 10-7 T ? m/A, c = 3.0 × 108 m/s)
A. 1.76 × 10-7 T B. 2.02 × 10-7 T C. 2.22 × 10-7 T D. 2.86 × 10-7 T
A local minimum in the potential energy curve of an energy diagram
A. Is a turning point B. Is a point of unstable equilibrium C. None of the above D. As a point of stable equilibrium