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A 27 pound meteorite struck a car, leaving a dent 25 cm deep in the trunk. If the meteorite struck the car with a speed of 450 m/s, what was the magnitude of its deceleration, assuming it to be constant?
Water at 20.0 °C is sprayed onto 0.236 kg of molten gold at 1063 °C (its melting point). What is the minimum mass of water that must be used
A 40kg child slides down a frictionless playground slide, starting from rest at a height of 2.2 m. He leaves the bottom of the slide moving horizontally at some velocity(v1). What is the distance the two roll to before stopping
The rifle fires a bullet with the speed 300m/s. The target is sitting on a tree 100m away from the shooter. What initial angle should be the rifle directed to hit a target
consider a conical pendulum that consists of a bob on one end of a string of negligible mass with the other end of the
Assume that a cloudy parcel has T = 275 K, wl = 1.5 g/kg. The background atmosphere has T = 274 K, and a relative humidity of 0.6. Assume a total pressure p = 600 hPa. What is the buoyancy of the cloudy parcel
You are supposed to make a Rube Goldberg machine that releases a block on an inclined plane that has a length of 2.50m and is supposed to take 15.5 seconds to travel that distance.
A gold prospector finds a solid rock that is composed solely of quartz and gold.The total mass and total volume of the rock are, respectively, 13.0 kg and 3.50 10-3 m3. determine the mass mG of gold in the rock
A scaffold supports a weight of 500 lbs. If the force in one end support is 150 lbs, how much force is supported by the other end
A 500 ton jet is flying at an altitude of 30,000ft with a constant speed of 520mph. what is the total resistance force action on the jet
If a Joe pulls a 37-kg crate at a 0.62 m/s^2 using a horizontal strap, when 250N of friction acts on it, what is the Tension in the strap
A 910 kg sports car collides into the rear end of a 2200 kg SUV stopped at a red light. calculates the speed of the sports car at impact
An automotive junkyard crushes old vehicles into cubes 0.44 m on a side. Assume that these cubes are made of iron. Find the resistance you would expect to encounter
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