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A 0.600 kg block is attached to a spring with spring constant 18 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 42 cm/s.
What is the amplitude of the subsequent oscillations? (Answer in cm)
What is the block's speed at the point where x= 0.40 A? (Answer in cm/s)
A heat engine with a thermal e?ciency of 37% does 175J of work per cycle. How much heat is extracted from the hot reservoir per cycle
A spaceship is visiting Planet X. While descending to the surface,its rockets produce 25 kN of upward thrust and the spaceship%u2019s speed decreases at a rate of 0.15 m/s2. What is the mass of the spaceship
A solid wood door 1.00m wide and 2.00m high is hinged along one side and has a total mass of 43.0kg. Find the angular speed of the door
Two long parallel wires each with a mass per unit length of 25.10 g/m are supported in a horizontal plane by 2.5 cm long strings. Each wire carries the same current, I, causing the wires to repel each other so that the angle between supporting string..
he string will break if its tension exceeds 60.0 N . The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed. Determine the maximum speed the stone can attain without breaking the string.
What is one experiment you could to show light is a particle. Clearly delineate how the results show it is a particle, and do not fit with the expectations of the experiment if it was a wave.
Mike throws a ball upward & toward the east at a 10.0 angle with a speed of 57.0 m/s. find the ball's initial angle in Nancy's referance frame
Estimate the change in COP of your electric food freezer when it is removed from your kitchen to its new location in your basement, which is 8 C° cooler than your kitchen. (Assume that the temperature in the kitchen is 20°C and that the temperature o..
Four identical point charges (+ 2.50 nC) are placed at the corners of a rectangle which measures 2.00m x 4.00m. If the electric potential is taken to be zero at infinity
Find the minimum diameter of an l = 16.3 m long steel wire that will stretch no more than 7.39 mm when a mass of 343 kg is hung on the lower end
A 529-kg satellite is in a circular orbit about Earth at a height above Earth equal to Earth's mean radius, Find the gravitational force acting on it
q1. the wire is made up of atoms with valence 2 and molecular mass 80 gmole where u 1.5605 times 10-27 kg is the mass
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