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A 900 kg car traveling at an angle of 30 south ofeast at 18 m/s collides with a 750 car traveling north at 23m/s.The cars stick together. What is the speed of the wreckage just after the collision?
A sun yacht is a spacecraft with a large sail that is pushed by sunlight. Although such a push is tiny in everyday circumstances, What is the magnitude of the resulting acceleration
a block of wood floats on the surface of water iuml 1000 kgm3 with 56 of the wood outside of the water. the volume of
question a charge of -1.0 microc is located at the origin a second charge of 3.4 microc is located at x 0 y 0.1 m and
The distance from the Sun to Jupiter is 5.2 times longer than the Earth-Sun distance. Take the intensity of sunlight at the Earth to be 1340 W/m2. Find the amplitude of the associated electric field at Jupiter
Suppose the light bulb in the figure below is replaced with a short wire of zero resistance, and the resistance of the rails is negligible. The only resistance is from the moving rod, which is The rod has a cross-sectional area of m2 and moves with a..
water flows at a rate of 25 lmin through a horizontal 7.0-centimeter-diameter pipe under a pressure of 6.0 pa. at one
Quentin is lifting a 10 kg dumbbell by pulling upward on it with a 108.1 N force. What is the acceleration of the dumbbell
two 491 g blocks of wood are 1.63 m apart on a frictionless table. a 10.67 g bullet is fired at 415 ms toward the
he car is suspended beneath the helicopter by a steel cable. Illustrate what is the lift force exerted on the air by the helicopter's rotor?
Show that the density of an ideal gas occupying a volume V isgiven by ρ = PM/RT, where M is the molar mass. Show this bycalculating the following three quantities in terms of M, P, n, R,and T. Determine the density of oxygen gas at atmospheric pres..
A heat engine operates in a Carnot cycle between 76.0°C and 355°C. It absorbs 21000 J of heat per cycle from the hot reservoir. The duration of each cycle is 3.00 s
A 1.1 long steel wire with a radius of 0.200 mm is hanging vertically. How much does the wire stretch
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