The force due to the gravity between two objects depends on the ____,
a. combined mass and velocity of both objects
b. mass of each object and the distance between them
c. distance of each object from Earth and distance between them
d. speed of light and the distance of each object from Earth
e. mass of each object and the speed of light
b
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A plane moving 200 m/s horizontally fires a projectile with speed 50 m/s in a forward direction 30.0° below the horizontal. At that instant, what is the speed of the projectile with respect to a stationary observer on the ground?
A) 245 m/s B) 250 m/s C) 268 m/s D) 293 m/s
Phase Angles: An series circuit consists of an ac voltage source, a resistor of resistance 810 ?, and an inductor. (There is no capacitance in the circuit.) The current amplitude is 0.40 A, and the phase angle between the source voltage and the current has magnitude 11°. (a) Does the source voltage lag or lead the current?(b) What is the voltage amplitude of the source?
What will be an ideal response?
If I have a circuit which has unwanted current variations (with time) and I want to "smooth them out" (want a more steady current), which one of these should be added in series?
A) battery B) capacitor C) inductor D) resistance
Solar system space is occupied by very small, solid particles that are called ______________
Fill in the blank(s) with correct word