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1) What type of image would a concave mirror produce when the object is inside its focal length?
A) Real and Erect
B) Real and Inverted
C) Virtual and Erect
D) Virtual and Inverted
2) If a flashlight is out in space, far away from everything, and shines a beam to the north, which way will the flashlight move?
A) North
B) South
C) East
D) West
E) It will not move
3) If two polarized filters are blocking the same beam, one after another, how should you orient a third filter placed in between the two in order to allow the most light through?
A) Closer to the orientation of the first
B) Closer to the orientation of the second
C) Half way in between the orientations of the first two
D) Orientation does not matter
A 1420-kg car is being driven up a 7.52 ° hill. The frictional force is directed opposite to the motion of the car and has amagnitude of 514 N. A force F is appliedto the car by the road and propels the car forward. In addition to these two forces..
A chimp jumps up from a trampoline and lands on the ground, 1.2 meters below. the total time taken was .095 secons. A. what is the initial velocity B. what is the final velocity C. what is the maximum height above the ground please show work so i ..
A family goes on vacation for one week, but forgets to tun off an electric fan that consumes electricity at the rate of 200 Watts. how much does it cost to run the fan during this time
an immersion heater used to boil water for a single cup of tea plugs into a 120 v outlet and is rated at 350 w .a what
Imagine that we connect a formula36.mml lightbulb and an formula37.mml lightbulb in parallel and connect the set to a 19-V battery
The critical angle for a certain liquid-air surface is 63°. Determine the index of refraction of the liquid and the speed of light in the liquid
A 17.0-mH inductor, with internalresistance of 22.0 Ω, isconnected to a 120-V rms source. If the average power dissipated in the circuit is 40.0 W, what is the frequency?
A fan blade rotates with angular velocity given by ?z(t)= ? ? ? t2, where ? = 5.45rad/s and? = 0.835 rad/s3. Calculate the angular acceleration as a function of time
A rock is thrown vertically upward with a speed of 19.0m/s from the roof of a building that is 70.0m above the ground. Assume free fall. What is the speed of the rock just before it strikes the ground?
a cyclotron accelerates two protons directly toward eachother each with a speed of 850 kms measured relative to the
Jumping up before the elevator hits. After the cable snaps and the safety system fails, an elevator cab free-falls from a height of 33.0 m. determine the magnitudes of the impulse
while crossing campus you get your directions mixed up. you start traveling 283 m east you then travel 135 m traveling
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