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Q1. What is the theoretical maximum amount of ice that the freezer might make per hour, starting with water at 20 ?C?
Q2. A 28-N crate is suspended from the left end of a plank. The plank weighs 21 N, but it is not uniform, so its center of gravity does not lie halfway between the two ends. The system is balanced by a support that is 0.30 m from the left end of the plank. How far to the right of support is the plank's center of gravity?
Q3. A father (m = 90 kg) and son (m = 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 m/s after they have separated. How fast is the father moving?
Determine the efficient spring constant of the molecule
Compute the semi major axis of the star orbit
What is modify in frequency ff - fi
What is final total energy of the system
Defined time necessary for one complete oscillation
Find out the coefficient of sliding friction
The change in the kinetic energy of the system
Megan's mass is 27 kg. She climbs the 4.8 m ladder of a slide and reaches a velocity of 3.6 m/s at the bottom of the slide. How much work was completed by friction on Megan? Imagine that air resistance is negligible.
Find out the gravitational potential energy
W hat least energy an incident alpha particle must have to penetrate the gold nucleus. What is the direction of the carbon atom after the collision.
How greatly time elapses before the compass hits the ground
A person whose eyes are H = 1.64 m above the floor stands L = 2.3 m in front of a vertical plane mirror whose bottom edge is 38 cm above the floor. What is the horizontal distance x to the base of the wall supporting the mirror of the nearest point o..
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