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A bullet of mass 20.0g is fired at an intital velocity of 200m/s into a 15.0 kg block that is intitally at rest. The combined bullet and block move over a rough surface of coeffcient at kinetic friction of 0.500. How far will the combined bullet and block move before coming to rest.
A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 15º above the horizontal. What is the magnitude of the static frictional force that the ground exerts on the tires
You can think of the work?kinetic energy theorem as a second theory of motion, parallel to Newton's laws in describing how outside influences affect the motion of an object. Use the work-kinetic energy theorem to find the net work that is done on t..
High speed stroboscopic photographs show that the head of a golf club of mass 200g is traveling at 55.1 m/s just before it strikes a 46. g golf ball at rest on a tee. after the collision, find the speed of the golf ball just after the impact
A box on a table top (m = 10 kilogram) is attached via a pulley to a hanging mass (45 kilogram). Obtain the acceleration, frictional force and tension of the system
A 4.0-kg rock is dropped from a height of 21.0 m. At what height is the rock's kinetic energy twice its potential energy? ?? m A cylinder of gas is at room temperature (20°C). The air conditioner breaks down, and the temperature rises to 49°C. Wha..
question1a hunter wishes to cross a river that is 1.4 km wide and that flows with a speed of 7 kmh. the hunter uses a
Light is observed reflecting from a thin film of oil (index = 1.25) that floats on water (index = 1.33). What is the smallest nonzero thickness of the oil
three charges are fixed to an x y coordinate system. a charge of 14 microc is on the y axis at y 3.0 m. a charge of -8
Electrons accelerated by a potential difference of 12.86 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength
A 1.90-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.20sin(2?t), Find the resonance angular frequency of the system
Bob (m = 60kg) is wearing a sticky suit. Just as he reaches his desired speed of 6m/s, he reaches the edge of ice (assume the ice is frictionless) and collides with a large crate (m = 250kg). How elastic was the collision
A meterorite pluges to Earth, embedding itself 75cm into the ground. what average force does the meterorite exert on the ground
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