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A piece of cheese with a mass of 1.22kg is placed on a vertical spring of negligible mass and a force constant k= 1500N/m that is compressed by a distance of 17.6cm. When the spring is released, how high does the cheese rise from this initial position? (The cheese and the spring are not attached.) Use 9.81 for the acceleration due to gravity. Express your answer using two significant figures.
A conservative force, f(x) = -2x+3x4 is applied to a mass m (f in Newtons and x in meters). what is the change in the potential energy of mass
An iron bolt of mass 70.0 g hangs from a string 35.2 cm long. The top end of the string is fixed. Find the magnetic force on the bolt
A rocket-powered hockey puck has a thrust of 2.0 N and a total mass of 1.0 kg. How far does the puck land from the base of the table
The gravitational acceleration on the Moon is a sixth of that on Earth. The weight of an apple is 1.03 N on Earth. What is the weight of the apple on the Moon
The Yerkes telescope in southern Wisconsin is the largest refracting telescope in the world. Its objective lens is 40 inches (slightly over a meter) in diameter. What are the focal lengths of the two lenses
Suppose there are two concentric thin walled conducting spheres, the inner one of radius 10 cm and the outer one of radius 12 cm. If the inner one has a charge of 2.2 C and the outer one has -2.2 C, what is the E field at a point 11 cm from the ce..
a 9 kg object iinitially at rest in free space explodes intothree segments of equal mass. how much kinetic energy is released in this explosion
the temperature coefficient of resistivity for the metal gold is 0.0034 cdeg-1 and for tungsten it is 0.0045 cdeg-1.
A cart with mass 380 g moving on a frictionless linear air track at an initial speed of 0.9 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. After the collision, the first cart continues in its original direction ..
Two speakers emit sound waves with frequency of 418 Hz. They are driven by the same oscillator so that they are in phase with each other. How far apart are the antinodes in that standing wave
a skateboard with mass M rolls down a ramp, starting from rest. It takes a time T to roll a distance L along the ramp
A lightning flash may transfer up to 30 C of charge through a potential difference of 10^8 V. How much energy does this involve
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