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Question1
A spherical mirror is polished on both sides. When concave side is used as a mirror, the magnification is +2.0. What is magnification when the convex side is used as a mirror, the object remaining the same distance from the mirror? If an object is inverted, then enter a negative number. Or else, enter a positive number.
Question2
A spacecraft is in a circular orbit about the moon, 1.65 x 105 m above its surface. The speed of spacecraft is 1530 m/s, and the radius of the moon is 1.74 x 106 m. If the moon were a smooth, reflective sphere.
(a) How far under the moon's surface would the image of the spacecraft appear, and
(b) What would be apparent speed of the spacecraft's image?
Conside a spherical asteroid (radius 10km and constant mass density 3g/cm^3). The core extends to 3km, Determine the temperature at the center of the asteroid
How much heat flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 22°C water in reaching equilibrium, What is the change in entropy due to this heat transfer
A rubber ball (150g) confined to move in the x direction, bounces elastically back and forth at 9m/s between two walls, Calculate the average pressure on this wall
Two boats are initially separated by distance d and head directly toward one another. The skippers of the boats want to arrive at the same time at the point that is halfway between their starting points.
Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. what force does the seat belt exert on each driver
A motorist speeds horizontally of a 50.0 meter high cliff. If the motorist wants to land on level ground below 90.0 m form the base of the cliff. how fast must he motorcycle leave the cliff top to make this landing
A 0.880 m long brass pendulum experiences a 20.0°C temperature increase. Find the ratio of the change in period to the original period
Determine the angular momentum of the Earth about its rotation axis (assume the Earth is a uniform sphere)
a ship's horn can be heard above typical background noise if at intensity level 20 dB. what must be the power of the horn's output to achive this level at 5.0 km away
Assess the benefits brought about by the application of lean techniques at Wiremold. Explain your answer by describing the changes and their outcomes.
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.11kg, and the wedge has a mass of 5.39 kg. The ball is moving the speed of v = 4.45m/s when it strikes the wedge, which is initially at rest.
If the coefficient of friction between the ladder and ground is 0.42, illustrate what is the mass of the heaviest person who can safely ascend to the top of the ladder?
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