Image height divided by object height gives __________
Fill in the blank(s) with correct word
magnification
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The instability strip is the region of the H-R diagram in which stars are stable to pulsation
Indicate whether the statement is true or false
Projectile Motion: A player hits a tennis ball into the air with an initial velocity of 32 m/s at 35° from the vertical. How fast is the ball moving at the highest point in its trajectory if air resistance is negligible?
Fill in the blank(s) with the appropriate word(s).
Two identical small conducting spheres are separated by 0.60 m. The spheres carry different amounts of charge and each sphere experiences an attractive electric force of 10.8N. The total charge on the two spheres is -24 ?C
The two spheres are now connected by a slender conducting wire, which is then removed. The electric force on each sphere is closest to A) zero. B) 3.6 N, attractive. C) 5.4 N, attractive. D) 3.6 N, repulsive. E) 5.4 N, repulsive.
A 0.20-kg object is attached to a spring with spring constant k = 10 N/m and moves with simple harmonic motion over a horizontal, frictionless surface. At the instant that it is displaced from equilibrium by -0.060 m, what is its acceleration?
a. 360 m/s2 c. 3.0 m/s2 b. -30 m/s2 d. 0.18 m/s2