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A 9200 kg boxcar traveling at 15.8 m/s strikes a second boxcar moving at 7.11 m/s in the same direction. The two stick together and move off with a speed of 11.7 m/s. What is the mass of the second car?
A large chunk of metal has a mass of 393 kg, and its volume is measured to be 0.05m^3, Find the metals mass density
A uranium and iron atom reside a distance R = 59.70 nm apart. The uranium atom is singly ionized; the iron atom is doubly ionized. what is the magnitude of the force on the electron from the uranium ion
R-134a is flowing at 1kg/s and throttled from 850 kPa and 40 C to - 40 C. Heat is gained at a rate of 1 kJ/s from the surroundings at 25 C
If you are in a car accident with an initial speed of 119 km/h and you are stopped by an airbag that inflates from the dashboard, over what distance should the airbag stop you for you to survive the crash.
A 6.5×10-25-kg particle is vibrating with simple harmonic motion with a period of 5.0×10-6 s and a maximum speed of 6.00×102 m/s. Find the Maximum displacement of the particle.
U-tube mounted on wood (each arm is about 22 cm long) • Small glass funnel • Thin rubber sheet (5cm by 5cm) • Tall glass container or beaker about 1000 cu.cm capacity • Standard masses, Observe and record the levels of the colored water in arms A ..
A Spacecraft with a total mass of 50,000kg is flying with a speed of 90m/s with respect to a distant planet. What is the speed of the remaining spacecraft with respect to the planet after the explosion
Find out the minimum horizontal velocity magnitude of the acceleration of the blocks
The lenses of a particular set of binoculars have a coating with index of refraction n=1.38, and the glass itself has n=1.52. what is the minimum thickness of the coating
A 4 kg model rocket is launched, expelling 40.00 g of burned fuel from its exhaust at a speed of 550m/s. What is the velocity of the rocket after fuel has burned? Hint: Ignore the external forces of gravity and air resistance.
Calculate the electric field intensity at a distance of 14 cm from the center of the shell
While surveying a cave, a spelunker follows a passage 190{rm m} straight west, then 210{rm m} in a direction 45.0^circ east of south, and then 260{rm m} at 30.0^circ east of north. After a fourth unmeasured displacement, she finds herself back whe..
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